auto save

while.py

+userName = "小明"
+userPass = "666666"
+
+i = 0
+while i < 5:
+    i += 1 # i = i + 1
+    name = input("请输入用户名：")
+    pawd = input("请输入密码：")
+    if name==userName and pawd == userPass:
+        print("登录成功！")
+        break
+    elif name!=userName:
+        print("用户名错误！")
+    else:
+        print("密码错误！")
\ No newline at end of file