题目:有四个数字:1、2、3、4,能组成多少个互不相同且无重复数字的三位数?各是多少?
#!/usr/bin/python
# -*- coding: UTF-8 -*-
for i in range(1,5):
for j in range(1,5):
for k in range(1,5):
if( i != k ) and (i != j) and (j != k):
print (i,j,k)
题目:一个整数,它加上100后是一个完全平方数,再加上168又是一个完全平方数,请问该数是多少?
#!/usr/bin/python
# -*- coding: UTF-8 -*-
for i in range(1,85):
if 168 % i == 0:
j = 168 / i;
if i > j and (i + j) % 2 == 0 and (i - j) % 2 == 0 :
m = (i + j) / 2
n = (i - j) / 2
x = n * n - 100
print(x)
题目:输入某年某月某日,判断这一天是这一年的第几天?
#!/usr/bin/python3
year = int(input('year:\n'))
month = int(input('month:\n'))
day = int(input('day:\n'))
months = (0,31,59,90,120,151,181,212,243,273,304,334)
if 0 < month <= 12:
sum = months[month - 1]
else:
print ('data error')
sum += day
leap = 0
if (year % 400 == 0) or ((year % 4 == 0) and (year % 100 != 0)):
leap = 1
if (leap == 1) and (month > 2):
sum += 1
print ('it is the %dth day.' % sum)
题目:输入三个整数x,y,z,请把这三个数由小到大输出。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
l = []
for i in range(3):
x = int(raw_input('integer:\n'))
l.append(x)
l.sort()
print l
题目:斐波那契数列。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
def fib(n):
a,b = 1,1
for i in range(n-1):
a,b = b,a+b
return a
# 输出了第10个斐波那契数列
print (fib(10))
题目:将一个列表的数据复制到另一个列表中。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
a = [1, 2, 3]
b = a[:]
print (b)
题目:输出 9*9 乘法口诀表。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
for i in range(1, 10):
for j in range(1, i+1):
print "%d*%d=%d" % (i, j, i*j),
题目:暂停一秒输出。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
import time
myD = {1: 'a', 2: 'b'}
for key, value in dict.items(myD):
print (key, value)
time.sleep(1) # 暂停 1 秒
题目:暂停一秒输出,并格式化当前时间。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
import time
print (time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())))
# 暂停一秒
time.sleep(1)
print (time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())))
题目:古典问题:有一对兔子,从出生后第3个月起每个月都生一对兔子,小兔子长到第三个月后每个月又生一对兔子,假如兔子都不死,问每个月的兔子总数为多少?
#!/usr/bin/python
# -*- coding: UTF-8 -*-
f1 = 1
f2 = 1
for i in range(1,22):
print '%12ld %12ld' % (f1,f2),
if (i % 3) == 0:
print ''
f1 = f1 + f2
f2 = f1 + f2
题目:判断101-200之间有多少个素数,并输出所有素数。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
h = 0
leap = 1
from math import sqrt
from sys import stdout
for m in range(101,201):
k = int(sqrt(m + 1))
for i in range(2,k + 1):
if m % i == 0:
leap = 0
break
if leap == 1:
print ('%-4d' % m)
h += 1
if h % 10 == 0:
print ('')
leap = 1
print ('The total is %d' % h)
题目:打印出所有的"水仙花数",所谓"水仙花数"是指一个三位数,其各位数字立方和等于该数本身。例如:153是一个"水仙花数",因为153=1的三次方+5的三次方+3的三次方。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
for n in range(100,1000):
i = n / 100
j = n / 10 % 10
k = n % 10
if n == i ** 3 + j ** 3 + k ** 3:
print n
题目:将一个正整数分解质因数。例如:输入90,打印出90=2*3*3*5。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
def reduceNum(n):
print '{} = '.format(n),
if not isinstance(n, int) or n <= 0 :
print '请输入一个正确的数字 !'
exit(0)
elif n in [1] :
print '{}'.format(n)
while n not in [1] : # 循环保证递归
for index in xrange(2, n + 1) :
if n % index == 0:
n /= index # n 等于 n/index
if n == 1:
print index
else : # index 一定是素数
print '{} *'.format(index),
break
reduceNum(90)
reduceNum(100)
题目:利用条件运算符的嵌套来完成此题:学习成绩>=90分的同学用A表示,60-89分之间的用B表示,60分以下的用C表示。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
score = int(raw_input('输入分数:\n'))
if score >= 90:
grade = 'A'
elif score >= 60:
grade = 'B'
else:
grade = 'C'
print '%d 属于 %s' % (score,grade)
题目:输出指定格式的日期。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
import datetime
if __name__ == '__main__':
# 输出今日日期,格式为 dd/mm/yyyy。更多选项可以查看 strftime() 方法
print(datetime.date.today().strftime('%d/%m/%Y'))
# 创建日期对象
miyazakiBirthDate = datetime.date(1941, 1, 5)
print(miyazakiBirthDate.strftime('%d/%m/%Y'))
# 日期算术运算
miyazakiBirthNextDay = miyazakiBirthDate + datetime.timedelta(days=1)
print(miyazakiBirthNextDay.strftime('%d/%m/%Y'))
# 日期替换
miyazakiFirstBirthday = miyazakiBirthDate.replace(year=miyazakiBirthDate.year + 1)
print(miyazakiFirstBirthday.strftime('%d/%m/%Y'))
题目:输入一行字符,分别统计出其中英文字母、空格、数字和其它字符的个数。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
import string
s = raw_input('请输入一个字符串:\n')
letters = 0
space = 0
digit = 0
others = 0
i=0
while i < len(s):
c = s[i]
i += 1
if c.isalpha():
letters += 1
elif c.isspace():
space += 1
elif c.isdigit():
digit += 1
else:
others += 1
print 'char = %d,space = %d,digit = %d,others = %d' % (letters,space,digit,others)
题目:求s=a+aa+aaa+aaaa+aa...a的值,其中a是一个数字。例如2+22+222+2222+22222(此时共有5个数相加),几个数相加由键盘控制。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
Tn = 0
Sn = []
n = int(raw_input('n = '))
a = int(raw_input('a = '))
for count in range(n):
Tn = Tn + a
a = a * 10
Sn.append(Tn)
print Tn
Sn = reduce(lambda x,y : x + y,Sn)
print "计算和为:",Sn
题目:一个数如果恰好等于它的因子之和,这个数就称为"完数"。例如6=1+2+3.编程找出1000以内的所有完数。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
from sys import stdout
for j in range(2,1001):
k = []
n = -1
s = j
for i in range(1,j):
if j % i == 0:
n += 1
s -= i
k.append(i)
if s == 0:
print (j)
for i in range(n):
stdout.write(str(k[i]))
stdout.write(' ')
print (k[n])
题目:一球从100米高度自由落下,每次落地后反跳回原高度的一半;再落下,求它在第10次落地时,共经过多少米?第10次反弹多高?
#!/usr/bin/python
# -*- coding: UTF-8 -*-
tour = []
height = []
hei = 100.0 # 起始高度
tim = 10 # 次数
for i in range(1, tim + 1):
# 从第二次开始,落地时的距离应该是反弹高度乘以2(弹到最高点再落下)
if i == 1:
tour.append(hei)
else:
tour.append(2*hei)
hei /= 2
height.append(hei)
print('总高度:tour = {0}'.format(sum(tour)))
print('第10次反弹高度:height = {0}'.format(height[-1]))
题目:猴子吃桃问题:猴子第一天摘下若干个桃子,当即吃了一半,还不瘾,又多吃了一个第二天早上又将剩下的桃子吃掉一半,又多吃了一个。以后每天早上都吃了前一天剩下的一半零一个。到第10天早上想再吃时,见只剩下一个桃子了。求第一天共摘了多少。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
x2 = 1
for day in range(9,0,-1):
x1 = (x2 + 1) * 2
x2 = x1
print (x1)
题目:两个乒乓球队进行比赛,各出三人。甲队为a,b,c三人,乙队为x,y,z三人。已抽签决定比赛名单。有人向队员打听比赛的名单。a说他不和x比,c说他不和x,z比,请编程序找出三队赛手的名单。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
for i in range(ord('x'),ord('z') + 1):
for j in range(ord('x'),ord('z') + 1):
if i != j:
for k in range(ord('x'),ord('z') + 1):
if (i != k) and (j != k):
if (i != ord('x')) and (k != ord('x')) and (k != ord('z')):
print ('order is a -- %s\t b -- %s\tc--%s' % (chr(i),chr(j),chr(k)))
题目:打印出如下图案(菱形):
#!/usr/bin/python
# -*- coding: UTF-8 -*-
from sys import stdout
for i in range(4):
for j in range(2 - i + 1):
stdout.write(' ')
for k in range(2 * i + 1):
stdout.write('*')
print('')
for i in range(3):
for j in range(i + 1):
stdout.write(' ')
for k in range(4 - 2 * i + 1):
stdout.write('*')
print('')
题目:有一分数序列:2/1,3/2,5/3,8/5,13/8,21/13...求出这个数列的前20项之和。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
a = 2.0
b = 1.0
s = 0
for n in range(1,21):
s += a / b
t = a
a = a + b
b = t
print (s)
题目:求1+2!+3!+...+20!的和。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
n = 0
s = 0
t = 1
for n in range(1,21):
t *= n
s += t
print ('1! + 2! + 3! + ... + 20! = %d' % s)
题目:利用递归方法求5!。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
def fact(j):
sum = 0
if j == 0:
sum = 1
else:
sum = j * fact(j - 1)
return sum
print (fact(5))
题目:利用递归函数调用方式,将所输入的5个字符,以相反顺序打印出来。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
def output(s,l):
if l==0:
return
print (s[l-1])
output(s,l-1)
s = raw_input('Input a string:')
l = len(s)
output(s,l)
题目:有5个人坐在一起,问第五个人多少岁?他说比第4个人大2岁。问第4个人岁数,他说比第3个人大2岁。问第三个人,又说比第2人大两岁。问第2个人,说比第一个人大两岁。最后问第一个人,他说是10岁。请问第五个人多大?
#!/usr/bin/python
# -*- coding: UTF-8 -*-
def age(n):
if n == 1: c = 10
else: c = age(n - 1) + 2
return c
print (age(5))
题目:给一个不多于5位的正整数,要求:一、求它是几位数,二、逆序打印出各位数字。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
x = int(raw_input("请输入一个数:\n"))
a = x / 10000
b = x % 10000 / 1000
c = x % 1000 / 100
d = x % 100 / 10
e = x % 10
if a != 0:
print "5 位数:",e,d,c,b,a
elif b != 0:
print "4 位数:",e,d,c,b,
elif c != 0:
print "3 位数:",e,d,c
elif d != 0:
print "2 位数:",e,d
else:
print "1 位数:",e
题目:一个5位数,判断它是不是回文数。即12321是回文数,个位与万位相同,十位与千位相同。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
a = int(raw_input("请输入一个数字:\n"))
x = str(a)
flag = True
for i in range(len(x)/2):
if x[i] != x[-i - 1]:
flag = False
break
if flag:
print "%d 是一个回文数!" % a
else:
print "%d 不是一个回文数!" % a
题目:请输入星期几的第一个字母来判断一下是星期几,如果第一个字母一样,则继续判断第二个字母。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
letter = raw_input("please input:")
#while letter != 'Y':
if letter == 'S':
print ('please input second letter:')
letter = raw_input("please input:")
if letter == 'a':
print ('Saturday')
elif letter == 'u':
print ('Sunday')
else:
print ('data error')
elif letter == 'F':
print ('Friday')
elif letter == 'M':
print ('Monday')
elif letter == 'T':
print ('please input second letter')
letter = raw_input("please input:")
if letter == 'u':
print ('Tuesday')
elif letter == 'h':
print ('Thursday')
else:
print ('data error')
elif letter == 'W':
print ('Wednesday')
else:
print ('data error')
题目:按相反的顺序输出列表的值。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
a = ['one', 'two', 'three']
for i in a[::-1]:
print (i)
题目:按逗号分隔列表。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
L = [1,2,3,4,5]
s1 = ','.join(str(n) for n in L)
print (s1)
题目:练习函数调用。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
def hello_runoob():
print ('RUNOOB')
def hello_runoobs():
for i in range(3):
hello_runoob()
if __name__ == '__main__':
hello_runoobs()
题目:文本颜色设置。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
class bcolors:
HEADER = '\033[95m'
OKBLUE = '\033[94m'
OKGREEN = '\033[92m'
WARNING = '\033[93m'
FAIL = '\033[91m'
ENDC = '\033[0m'
BOLD = '\033[1m'
UNDERLINE = '\033[4m'
print (bcolors.WARNING + "警告的颜色字体?" + bcolors.ENDC)
题目:求100之内的素数。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
# 输出指定范围内的素数
# 用户输入数据
lower = int(input("输入区间最小值: "))
upper = int(input("输入区间最大值: "))
for num in range(lower,upper + 1):
# 素数大于 1
if num > 1:
for i in range(2,num):
if (num % i) == 0:
break
else:
print(num)
题目:对10个数进行排序。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == "__main__":
N = 10
# input data
print ('请输入10个数字:\n')
l = []
for i in range(N):
l.append(int(input('输入一个数字:\n')))
for i in range(N):
print (l[i])
# 排列10个数字
for i in range(N - 1):
min = i
for j in range(i + 1,N):
if l[min] > l[j]:min = j
l[i],l[min] = l[min],l[i]
print ('排列之后:')
for i in range(N):
print (l[i])
题目:求一个3*3矩阵主对角线元素之和。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
a = []
sum = 0.0
for i in range(3):
a.append([])
for j in range(3):
a[i].append(float(input("input num:\n")))
for i in range(3):
sum += a[i][i]
print (sum)
题目:有一个已经排好序的数组。现输入一个数,要求按原来的规律将它插入数组中。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
# 方法一 :0 作为加入数字的占位符
a = [1,4,6,9,13,16,19,28,40,100,0]
print ('原始列表:')
for i in range(len(a)):
print (a[i])
number = int(input("\n插入一个数字:\n"))
end = a[9]
if number > end:
a[10] = number
else:
for i in range(10):
if a[i] > number:
temp1 = a[i]
a[i] = number
for j in range(i + 1,11):
temp2 = a[j]
a[j] = temp1
temp1 = temp2
break
print ('排序后列表:')
for i in range(11):
print (a[i])
题目:将一个数组逆序输出。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
a = [9,6,5,4,1]
N = len(a)
print (a)
for i in range(len(a) // 2):
a[i],a[N - i - 1] = a[N - i - 1],a[i]
print (a)
题目:统计 1 到 100 之和。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
tmp = 0
for i in range(1,101):
tmp += i
print ('The sum is %d' % tmp)
题目:求输入数字的平方,如果平方运算后小于 50 则退出。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
TRUE = 1
FALSE = 0
def SQ(x):
return x * x
print ('如果输入的数字小于 50,程序将停止运行。')
again = 1
while again:
num = int(input('请输入一个数字:'))
print ('运算结果为: %d' % (SQ(num)))
if SQ(num) >= 50:
again = TRUE
else:
again = FALSE
题目:使用lambda来创建匿名函数。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
MAXIMUM = lambda x,y : (x > y) * x + (x < y) * y
MINIMUM = lambda x,y : (x > y) * y + (x < y) * x
if __name__ == '__main__':
a = 10
b = 20
print ('The largar one is %d' % MAXIMUM(a,b))
print ('The lower one is %d' % MINIMUM(a,b))
题目:输出一个随机数。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
import random
#生成 10 到 20 之间的随机数
print (random.uniform(10, 20))
题目:学习使用按位与 & 。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
a = 0x77
b = a & 3
print ('a & b = %d' % b)
b &= 7
print ('a & b = %d' % b)
题目:学习使用按位或 | 。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
a = 0o77
b = a | 3
print ('a | b is %d' % b)
b |= 7
print ('a | b is %d' % b)
题目:取一个整数a从右端开始的4〜7位。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
a = int(input('input a number:\n'))
b = a >> 4
c = ~(~0 << 4)
d = b & c
print ('%o\t%o' %(a,d))
题目:画图,学用circle画圆形。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
from Tkinter import *
canvas = Canvas(width=800, height=600, bg='yellow')
canvas.pack(expand=YES, fill=BOTH)
k = 1
j = 1
for i in range(0,26):
canvas.create_oval(310 - k,250 - k,310 + k,250 + k, width=1)
k += j
j += 0.3
mainloop()
题目:画图,学用line画直线。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
from Tkinter import *
canvas = Canvas(width=300, height=300, bg='green')
canvas.pack(expand=YES, fill=BOTH)
x0 = 263
y0 = 263
y1 = 275
x1 = 275
for i in range(19):
canvas.create_line(x0,y0,x0,y1, width=1, fill='red')
x0 = x0 - 5
y0 = y0 - 5
x1 = x1 + 5
y1 = y1 + 5
x0 = 263
y1 = 275
y0 = 263
for i in range(21):
canvas.create_line(x0,y0,x0,y1,fill = 'red')
x0 += 5
y0 += 5
y1 += 5
mainloop()
题目:画图,学用rectangle画方形。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
from Tkinter import *
root = Tk()
root.title('Canvas')
canvas = Canvas(root,width = 400,height = 400,bg = 'yellow')
x0 = 263
y0 = 263
y1 = 275
x1 = 275
for i in range(19):
canvas.create_rectangle(x0,y0,x1,y1)
x0 -= 5
y0 -= 5
x1 += 5
y1 += 5
canvas.pack()
root.mainloop()
题目:计算字符串长度。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
sStr1 = 'strlen'
print len(sStr1)
题目:打印出杨辉三角形(要求打印出10行如下图)。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
a = []
for i in range(10):
a.append([])
for j in range(10):
a[i].append(0)
for i in range(10):
a[i][0] = 1
a[i][i] = 1
for i in range(2,10):
for j in range(1,i):
a[i][j] = a[i - 1][j-1] + a[i - 1][j]
from sys import stdout
for i in range(10):
for j in range(i + 1):
stdout.write(str(a[i][j]))
stdout.write(' ')
题目:画椭圆。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
from Tkinter import *
x = 360
y = 160
top = y - 30
bottom = y - 30
canvas = Canvas(width = 400,height = 600,bg = 'white')
for i in range(20):
canvas.create_oval(250 - top,250 - bottom,250 + top,250 + bottom)
top -= 5
bottom += 5
canvas.pack()
mainloop()
题目:输入3个数a,b,c,按大小顺序输出。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
n1 = int(raw_input('n1 = :\n'))
n2 = int(raw_input('n2 = :\n'))
n3 = int(raw_input('n3 = :\n'))
def swap(p1,p2):
return p2,p1
if n1 > n2 : n1,n2 = swap(n1,n2)
if n1 > n3 : n1,n3 = swap(n1,n3)
if n2 > n3 : n2,n3 = swap(n2,n3)
print n1,n2,n3
题目:输入数组,最大的与第一个元素交换,最小的与最后一个元素交换,输出数组。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
def inp(numbers):
for i in range(6):
numbers.append(int(raw_input('输入一个数字:\n')))
p = 0
def arr_max(array):
max = 0
for i in range(1,len(array) - 1):
p = i
if array[p] > array[max] : max = p
k = max
array[0],array[k] = array[k],array[0]
def arr_min(array):
min = 0
for i in range(1,len(array) - 1):
p = i
if array[p] < array[min] : min = p
l = min
array[5],array[l] = array[l],array[5]
def outp(numbers):
for i in range(len(numbers)):
print numbers[i]
if __name__ == '__main__':
array = []
inp(array) # 输入 6 个数字并放入数组
arr_max(array) # 获取最大元素并与第一个元素交换
arr_min(array) # 获取最小元素并与最后一个元素交换
print '计算结果:'
outp(array)
题目:有 n 个整数,使其前面各数顺序向后移 m 个位置,最后 m 个数变成最前面的 m 个数
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
n = int(raw_input('整数 n 为:\n'))
m = int(raw_input('向后移 m 个位置为:\n'))
def move(array,n,m):
array_end = array[n - 1]
for i in range(n - 1,-1,- 1):
array[i] = array[i - 1]
array[0] = array_end
m -= 1
if m > 0:move(array,n,m)
number = []
for i in range(n):
number.append(int(raw_input('输入一个数字:\n')))
print '原始列表:',number
move(number,n,m)
print '移动之后:',number
题目:有n个人围成一圈,顺序排号。从第一个人开始报数(从1到3报数),凡报到3的人退出圈子,问最后留下的是原来第几号的那位。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
nmax = 50
n = int(raw_input('请输入总人数:'))
num = []
for i in range(n):
num.append(i + 1)
i = 0
k = 0
m = 0
while m < n - 1:
if num[i] != 0 : k += 1
if k == 3:
num[i] = 0
k = 0
m += 1
i += 1
if i == n : i = 0
i = 0
while num[i] == 0: i += 1
print num[i]
题目:编写input()和output()函数输入,输出5个学生的数据记录。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
N = 3
#stu
# num : string
# name : string
# score[4]: list
student = []
for i in range(5):
student.append(['','',[]])
def input_stu(stu):
for i in range(N):
stu[i][0] = raw_input('input student num:\n')
stu[i][1] = raw_input('input student name:\n')
for j in range(3):
stu[i][2].append(int(raw_input('score:\n')))
def output_stu(stu):
for i in range(N):
print '%-6s%-10s' % ( stu[i][0],stu[i][1] )
for j in range(3):
print '%-8d' % stu[i][2][j]
if __name__ == '__main__':
input_stu(student)
print student
output_stu(student)
题目:创建一个链表。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
ptr = []
for i in range(5):
num = int(raw_input('please input a number:\n'))
ptr.append(num)
print ptr
题目:反向输出一个链表。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
ptr = []
for i in range(5):
num = int(raw_input('please input a number:\n'))
ptr.append(num)
print ptr
ptr.reverse()
print ptr
题目:列表排序及连接。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
a = [1,3,2]
b = [3,4,5]
a.sort() # 对列表 a 进行排序
print a
# 连接列表 a 与 b
print a+b
# 连接列表 a 与 b
a.extend(b)
print a
题目:放松一下,算一道简单的题目。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
for i in range(5):
n = 0
if i != 1: n += 1
if i == 3: n += 1
if i == 4: n += 1
if i != 4: n += 1
if n == 3: print 64 + i
题目:编写一个函数,输入n为偶数时,调用函数求1/2+1/4+...+1/n,当输入n为奇数时,调用函数1/1+1/3+...+1/n
#!/usr/bin/python
# -*- coding: UTF-8 -*-
def peven(n):
i = 0
s = 0.0
for i in range(2,n + 1,2):
s += 1.0 / i # Python里,整数除整数,只能得出整数,所以需要使用 浮点数 1.0
return s
def podd(n):
s = 0.0
for i in range(1, n + 1,2):
s += 1.0 / i # Python里,整数除整数,只能得出整数,所以需要使用 浮点数 1.0
return s
def dcall(fp,n):
s = fp(n)
return s
if __name__ == '__main__':
n = int(raw_input('input a number:\n'))
if n % 2 == 0:
sum = dcall(peven,n)
else:
sum = dcall(podd,n)
print sum
题目:循环输出列表
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
s = ["man","woman","girl","boy","sister"]
for i in range(len(s)):
print s[i]
题目:找到年龄最大的人,并输出。请找出程序中有什么问题。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
person = {"li":18,"wang":50,"zhang":20,"sun":22}
m = 'li'
for key in person.keys():
if person[m] < person[key]:
m = key
print '%s,%d' % (m,person[m])
题目:字符串排序。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
str1 = raw_input('input string:\n')
str2 = raw_input('input string:\n')
str3 = raw_input('input string:\n')
print str1,str2,str3
if str1 > str2 : str1,str2 = str2,str1
if str1 > str3 : str1,str3 = str3,str1
if str2 > str3 : str2,str3 = str3,str2
print 'after being sorted.'
print str1,str2,str3
题目:海滩上有一堆桃子,五只猴子来分。第一只猴子把这堆桃子平均分为五份,多了一个,这只猴子把多的一个扔入海中,拿走了一份。第二只猴子把剩下的桃子又平均分成五份,又多了一个,它同样把多的一个扔入海中,拿走了一份,第三、第四、第五只猴子都是这样做的,问海滩上原来最少有多少个桃子?
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
i = 0
j = 1
x = 0
while (i < 5) :
x = 4 * j
for i in range(0,5) :
if(x%4 != 0) :
break
else :
i += 1
x = (x/4) * 5 +1
j += 1
print x
题目:809*??=800*??+9*?? 其中??代表的两位数, 809*??为四位数,8*??的结果为两位数,9*??的结果为3位数。求??代表的两位数,及809*??后的结果。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
a = 809
for i in range(10,100):
b = i * a
if b >= 1000 and b <= 10000 and 8 * i < 100 and 9 * i >= 100:
print b,' = 800 * ', i, ' + 9 * ', i
题目:八进制转换为十进制
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
n = 0
p = raw_input('input a octal number:\n')
for i in range(len(p)):
n = n * 8 + ord(p[i]) - ord('0')
print n
题目:求0—7所能组成的奇数个数。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
sum = 4
s = 4
for j in range(2,9):
print sum
if j <= 2:
s *= 7
else:
s *= 8
sum += s
print 'sum = %d' % sum
题目:连接字符串。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
delimiter = ','
mylist = ['Brazil', 'Russia', 'India', 'China']
print delimiter.join(mylist)
题目:输入一个奇数,然后判断最少几个 9 除于该数的结果为整数。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
zi = int(raw_input('输入一个数字:\n'))
n1 = 1
c9 = 1
m9 = 9
sum = 9
while n1 != 0:
if sum % zi == 0:
n1 = 0
else:
m9 *= 10
sum += m9
c9 += 1
print '%d 个 9 可以被 %d 整除 : %d' % (c9,zi,sum)
r = sum / zi
print '%d / %d = %d' % (sum,zi,r)
题目:两个字符串连接程序。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
a = "acegikm"
b = "bdfhjlnpq"
# 连接字符串
c = a + b
print c
题目:读取7个数(1—50)的整数值,每读取一个值,程序打印出该值个数的*。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
n = 1
while n <= 7:
a = int(raw_input('input a number:\n'))
while a < 1 or a > 50:
a = int(raw_input('input a number:\n'))
print a * '*'
n += 1
题目:某个公司采用公用电话传递数据,数据是四位的整数,在传递过程中是加密的,加密规则如下:每位数字都加上5,然后用和除以10的余数代替该数字,再将第一位和第四位交换,第二位和第三位交换。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
from sys import stdout
if __name__ == '__main__':
a = int(raw_input('输入四个数字:\n'))
aa = []
aa.append(a % 10)
aa.append(a % 100 / 10)
aa.append(a % 1000 / 100)
aa.append(a / 1000)
for i in range(4):
aa[i] += 5
aa[i] %= 10
for i in range(2):
aa[i],aa[3 - i] = aa[3 - i],aa[i]
for i in range(3,-1,-1):
stdout.write(str(aa[i]))
题目:列表使用实例。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
#list
#新建列表
testList=[10086,'中国移动',[1,2,4,5]]
#访问列表长度
print len(testList)
#到列表结尾
print testList[1:]
#向列表添加元素
testList.append('i\'m new here!')
print len(testList)
print testList[-1]
#弹出列表的最后一个元素
print testList.pop(1)
print len(testList)
print testList
#list comprehension
#后面有介绍,暂时掠过
matrix = [[1, 2, 3],
[4, 5, 6],
[7, 8, 9]]
print matrix
print matrix[1]
col2 = [row[1] for row in matrix]#get a column from a matrix
print col2
col2even = [row[1] for row in matrix if row[1] % 2 == 0]#filter odd item
print col2even
题目:时间函数举例2。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
import time
start = time.time()
for i in range(3000):
print i
end = time.time()
print end - start
题目:时间函数举例4,一个猜数游戏,判断一个人反应快慢。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
import time
import random
play_it = raw_input('do you want to play it.(\'y\' or \'n\')')
while play_it == 'y':
c = raw_input('input a character:\n')
i = random.randint(0,2**32) % 100
print 'please input number you guess:\n'
start = time.clock()
a = time.time()
guess = int(raw_input('input your guess:\n'))
while guess != i:
if guess > i:
print 'please input a little smaller'
guess = int(raw_input('input your guess:\n'))
else:
print 'please input a little bigger'
guess = int(raw_input('input your guess:\n'))
end = time.clock()
b = time.time()
var = (end - start) / 18.2
print var
# print 'It took you %6.3 seconds' % time.difftime(b,a))
if var < 15:
print 'you are very clever!'
elif var < 25:
print 'you are normal!'
else:
print 'you are stupid!'
print 'Congradulations'
print 'The number you guess is %d' % i
play_it = raw_input('do you want to play it.')
题目:计算字符串中子串出现的次数。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
str1 = raw_input('请输入一个字符串:\n')
str2 = raw_input('请输入一个子字符串:\n')
ncount = str1.count(str2)
print ncount
题目:从键盘输入一些字符,逐个把它们写到磁盘文件上,直到输入一个 # 为止。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
from sys import stdout
filename = raw_input('输入文件名:\n')
fp = open(filename,"w")
ch = raw_input('输入字符串:\n')
while ch != '#':
fp.write(ch)
stdout.write(ch)
ch = raw_input('')
fp.close()
题目:从键盘输入一个字符串,将小写字母全部转换成大写字母,然后输出到一个磁盘文件"test"中保存。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
fp = open('test.txt','w')
string = raw_input('please input a string:\n')
string = string.upper()
fp.write(string)
fp = open('test.txt','r')
print fp.read()
fp.close()
题目:有两个磁盘文件A和B,各存放一行字母,要求把这两个文件中的信息合并(按字母顺序排列), 输出到一个新文件C中。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
import string
fp = open('test1.txt')
a = fp.read()
fp.close()
fp = open('test2.txt')
b = fp.read()
fp.close()
fp = open('test3.txt','w')
l = list(a + b)
l.sort()
s = ''
s = s.join(l)
fp.write(s)
fp.close()
题目:列表转换为字典。 文章来源:https://www.toymoban.com/news/detail-798345.html
#!/usr/bin/python
# -*- coding: UTF-8 -*-
i = ['a', 'b']
l = [1, 2]
print dict([i,l])
题目:获取 100 以内的质数。文章来源地址https://www.toymoban.com/news/detail-798345.html
#!/usr/bin/python
# -*- coding: UTF-8 -*-
num=[];
i=2
for i in range(2,100):
j=2
for j in range(2,i):
if(i%j==0):
break
else:
num.append(i)
print(num)
到了这里,关于99个Python脚本实用实例的文章就介绍完了。如果您还想了解更多内容,请在右上角搜索TOY模板网以前的文章或继续浏览下面的相关文章,希望大家以后多多支持TOY模板网!