save project

1.py

+username = "python"
+userpassword = "123456"
+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!")
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diy1.py

 username = "Charles"
 username = "Charles"
 userpassword = "120111201201140054"
 userpassword = "120111201201140054"
+i = 3
 while True:
 while True:
-    name = input("请输入用户密名")
-    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。")
-    if password != userpassword:
-        print("密码错误！请重新输入。") 
+    if i > 0:
+        name = input("请输入用户密名")
+        password = input("请输入密码")
+        i-=1
+        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。")
+                continue
+            if password != userpassword:
+                print("密码错误！请重新输入。") 
+    else:
+        print("你的账号已被锁定，请一个小时以后再来")
+        exit()
 print("欢迎来到贝尔编程！")
 print("欢迎来到贝尔编程！")
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