save project

zm.py

 uname="python"
 um="11111111"
-name =input("请输入账号")
-m=input("请输入密码")
-if uname == name and um==m:
-    print("登录成功")
+while True:
+    name =input("请输入账号")
+    m=input("请输入密码")
+    if uname == name and um==m:
+        print("登录成功")
+        break
+    print("请重新输入")
+print("来到")
+
+
     
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