save project

1

+username = "python"
+userpassword = "123456"
+i = 3
+while True:
+    if i > 0:
+        name = input("请输入用户名:")
+        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("用户名不存在!请重新输入")
+            print(f'你还有{i}次输入机会。')
+            continue
+        if password != userpassword:
+            print('密码错误！请重新输入')
+            print(f'你还有{i}次输入机会。')
+    else:
+        print('你的账户已被锁定，请持身份证卡来本司解锁。')
+        exit()
+print("欢迎来到贝尔编程!")
\ No newline at end of file

diy2.py

+i=3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 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("用户名不存在，请重新输入！")
-        continue
-    if password != userpassword:
-        print("密码输入有误，请重新输入!")
-print("欢迎来到贝尔编程!")
+    if i>0:
+        name=input("请输入用户名:")
+        i-=1
+        password=input("请输入密码:")
+        if name == username and password == userpassword:
+            print("登录成功")
+            break
+        if name != username:
+            print("用户名不存在，请重新输入！")
+            continue
+        if password != userpassword:
\ No newline at end of file
+            print("密码输入有误，请重新输入!")
+    else:       
+            print("输入次数用完，账号已封锁")
+            exit()
+    print("欢迎来到贝尔编程!")
\ No newline at end of file