save project

1.py

+#include<bits/stdc++.h>
+using namespace std
+int main(){
+    cout<<"冯马程最帅"<<endl
+    return 0;
+}

2.py

+print("冯马程最帅")
\ No newline at end of file

diy2.py

-username="python"
-userpassword="123456"
-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!")
-if name!=username:
-    print("用户错误!")
-if password!=userpassword:
-    print("密码错误!")
+username = "python"
+userpassword = "123456"
+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")
\ No newline at end of file
+       continue
+    if password !=userpassword:
+       print("密码错误")
+print("欢迎来到贝尔编程")
\ No newline at end of file