python day 1

  1 #-*- coding: UTF-8 -*-
  2 #print('中国')
  3 '''
  4 s = 20
  5 y = 15
  6 print(s*y)
  7 print(s**2)
  8 print(s%y)
  9 print(s/y)
 10 print(s>y)
 11 print(s<y)
 12 '''
 13 '''
 14 name = input('我叫什么：')
 15 age = input('我的年龄是：')
 16 print('我叫'+name,'我的年龄'+age+'岁')
 17 
 18 if 5>4 :
 19     print(1212)
 20 else:
 21     print(12)
 22     '''
 23 '''
 24 num = input('猜数字：')
 25 
 26 if num == '1' :
 27     print('一二三')
 28 elif num == '2' :
 29     print('四五六')
 30 else:
 31     print('七八九')
 32 
 33 a = 1
 34 while a <= 100 :
 35     print(a)
 36     a = a + 1
 37 
 38 a = 1
 39 b = 0
 40 while a <= 1000 :
 41     b = a + b
 42     a = a + 1
 43     print(b)
 44 a = 1
 45 b = True
 46 while b :
 47     print(a)
 48     a = a + 1
 49     if a > 100 :
 50         break
 51 a = 0
 52 while a < 10 :
 53     a = a + 1
 54     if a == 7 :
 55         print(' ')
 56     else:
 57         print(a)
 58 '''
 59 #1-2+3.....99
 60 # count = 1
 61 # while count < 101 :
 62 #     print(count)
 63 #     count += 2
 64 # count = 1
 65 # while count < 101 :
 66 #     if count % 2 == 0 :
 67 #         print(count)
 68 # #     count += 1
 69 # sum = 0
 70 # count = 1
 71 # while count < 100 :
 72 #     if count % 2 == 0 :
 73 #         sum = sum - count
 74 #     else:
 75 #         sum = sum + count
 76 #     count = count + 1
 77 # print(sum)
 78 '''
 79 #设置三次登录
 80 count = 0
 81 while count < 3 :
 82     username = input('请输入账号： ')
 83     password = int (input('请输入密码： '))
 84     if username == 'abc' and password == 123 :
 85         print('登录成功')
 86         break
 87     else:
 88         print('登录失败')
 89     count += 1
 90 '''
 91 """
 92 # #格式化输出：# % s d
 93 # name = input('请输入你的姓名：')
 94 # age = input('请输入你的年龄：')
 95 # sg = input('请输入你的身高：')
 96 # hobbie = input('你的爱好：')
 97 # msg = '''----- info of %s-----
 98 # Name : %s
 99 # Age  : %s
100 # Sg   : %s
101 # Hobbie :%s
102 # ----- END-----''' %(name,name,int(age),sg,hobbie)
103 # print(msg)
104 """

 

转载于:https://www.cnblogs.com/FHBIAO/p/10144384.html