运算符

# from __future__import division
# v = 9/2
# print(v)
# n = 9
# new_num = n + 1 #new_num += 1
# print(new_num)

# usr = input("请输入用户名：")
# pa_word = input("请输入密码：")
# if usr =="alx" and pa_word =="666":
#     print("登录成功")
# else:
#     print("登录失败")
#检索
word = input("请小心输入内容：")
if "习大大" in word or "老蒋" in word:
    print("输入正确")

word = input("请小心输入内容：")
if "习大大" in word:
    print("请重新输入")
elif "老蒋" in word:
    print("请重新输入")
else:
    print(word)

运算符

原文：https://www.cnblogs.com/simly/p/9234870.html