save project

VB刹那间反复进口.py

-username="a"
+username="a"
 username="a"
 userpassword="1"
+a=1
 while True:
-    name=input("输入用户名")
-    password=input("输入密码")
-    if name==username and password==userpassword:
-        print("成功")
-        break
-    if name != username:
-        print("用户名错误")
-        continue
+    if a==1:
+        name=input("输入用户名")
+        password=input("输入密码")
+        if name==username and password==userpassword:
+            print("成功")
+            a=1
+            break
+        if name != username:
+            print("用户名错误")
+            a=0
+            break
     if password != userpassword:
         print("密码错误")
-print("欢迎登录")
\ No newline at end of file
+if a==1:
+    print("欢迎登录")
\ No newline at end of file