save project

diy2.py

+i=3
 username = "1919810"
 username = "1919810"
 userpassword = "114514"
 userpassword = "114514"
 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("用户名和密码错误!请重新输入")
-    if userpassword!=userpassword:
-        print("用户名和密码错误!请重新输入")
+    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
+        if name!=username:
+            print("用户名和密码错误!请重新输入")
+             continue
+        if userpassword!=userpassword:
+        else:
+
+            print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file