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
     
      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  : %s100 # Sg   : %s101 # Hobbie :%s102 # ----- END-----''' %(name,name,int(age),sg,hobbie)103 # print(msg)104 """