save project

1.py

+username="鸡你太美"
+userpassword="1371"
+while True:
+    name=input("请输入用户名:")
+    password=input("请输入密码:")
+    if name==username and password==userpassword:
+        print("登陆成功")
+        break
+    if name !=username:
+      print("用户名错误")
+      continue  
+    if password !=userpassword:
+      print("密码错误")  
+print("欢迎来到贝尔编程！")
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