save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
+i=3
 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("用户名错误")
-    if password!=userpassword:
-        print("密码错误")
-    print("用户名和密码错误!请重新输入")
-    print(你还有🐱‍👤🐱‍👤+)
+    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("用户名错误，你还有"+str(i)+"次O(∩_∩)O")
+
+        if password!=userpassword:
+            print("密码错误")
+    print("用户名和密码错误!请重新输入,你还有"+str(i)+"次O(∩_∩)O")
+    exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
 
 
     
     
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