save project

diy1.py

+i = 3
 username = "python"
 userpassword = "123456"
-while Ture:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
+while True:
+    if i > 0:
+        name = input("请输入用户名")
+        password = input("请输入密码")
+        i-=1
+        if name == usename and password == userpassword:
             print("登陆成功")
             break
-    elif name != username:
-        print("用户名错误！请重新输入")
-        
-    else password ！= userpassword:
-        print("密码错误！请重新输入")
+        if name != usename:
+            print("用户名输入错误，请重新输入")
+        if password != userpassword:
+            print("密码输入错误，请重新输入")
+    else:
+        exec()
 print("欢迎来到贝尔编程！")
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