save project

diy2.py

+i = 3
+username = "python"
+userpassword = "123456"
+while True:
+    name = input("请输入用户名:")
+    password = input("请输入密码:")
+    if name == username and password == userpassword:
+        print("登录成功!")
+        break
+    if name != username:
+        print("用户名错误!请重新输入")
+        print("您还有"+str(i)+"次机会")
+        i-=1
+        continue
+    if password != userpassword:
+       print("密码错误!请重新输入")
+       print("您还有"+str(i)+"次机会")
+       i-=1
+    if i==0:
+       print("你的账户已被锁定，请带身份证到我司解锁") 
+print("欢迎来到贝尔编程!")
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