与用户交互（8）

与用户交互

# 输入： inpurt（） 替代品

 

# 替代品 # 输入 # 阻塞

 

# e.g 例如 用户名和密码  ↓

username_db = 'nick'
pwd_db = '123'

username = input('\033[31m请输入你的用户名:') # input让用户输入,与用户交互
pwd = input('\033[41m请输入你的密码:]')

if username == username_db and pwd == pwd_db:
print('登录成功')
else:
print('登录失败')

 

# eval的使用方法

定义：会把引号去掉

升级版（超纲）

import random # 导入随机函数

count = 0
username_db = 'nick'
pwd_db = '123'
code = random.randint(1000,9999) #随机数字
code = f'{code}{chr(random.randint(97,117))}{chr(random.randint(97,117))}{chr(random.randint(97,117))}' #随机验证码

while count < 3:
print(code)

# input让用户输入,与用户交互 ↓
username = input('\033[31m请输入你的用户名:\033[m')
pwd = input('\033[32m请输入你的密码:\033[m')
code_db = input('\033[33m请输入验证码:\033[m')

if username == username_db and pwd == pwd_db and code == code_db:
print('登录成功,欢迎来到实力至上主义的教室!!!')
elif username != username_db and pwd == pwd_db and code == code_db:
print('登录失败，啥子!!!用户名都记不得')
elif username == username_db and pwd != pwd_db and code == code_db:
print('登录失败，啥子!!!密码都能忘')
elif username == username_db and pwd == pwd_db and code != code_db:
print('登录失败,啥子!!!验证码都看不到')
elif username != username_db and pwd != pwd_db and code == code_db:
print('用户名和密码都能忘，除了看验证码你还能干嘛？')
elif username != username_db and pwd == pwd_db and code != code_db:
print('就知道个密码，哎!眼干啥用的验证码都瞅不见!!')
elif username == username_db and pwd != pwd_db and code != code_db:
print('就知道个账号,有鸡巴用!还能记住啥?')
else:
print('什么都不记得，你还能干啥')
count += 1