save project

diy2.py

@@ -3,17 +3,18 @@ username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
     if i>0:
     if i>0:
-    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
-    
-    elif name != username:
-        print("名字错了,请重新输入!")
+        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 != userpassword:
+            print("名字错了,请重新输入!")
+            continue
+        if password!=userpassword:
+            print("密码输入有误,请重新输入!")
     else:
     else:
-        print("密码输入有误,请重新输入!")
-    
-    print("用户名和密码错误!请重新输入")
-    exit
+        print("用户名和密码错误!请重新输入")
+        exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
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