save project

diy1.py

 n = "python"
 n = "python"
 w = "5418814524"
 w = "5418814524"
-yin = input("账号：")
-s = input("密码：")
-if (n == yin) and (s == w):
-    print("账号正确")
-
+while True:
+    yin = input("账号：")
+    s = input("密码：")
+    if (n == yin) and (s == w):
+        print("账号正确")
+        break
+    else:
+        print("账号错误")