save project

diy1.py

+import sys
+username = "1111"
+userpassword = "asdfghjkl"
+times = 5
+name = ""
+password = ""
+while True:
+    if times > 0:
+        name = input("用户名：")
+        password = input("密码：")
+        times -= 1
+        if name == username and password == userpassword:
+            print("登陆成功")
+            break
+        else:
+            if name != username:
+                print("用户名错误")
+    else:
+        print("次数用完，请联系柜台")
+        sys.exit(-1)     #也可以用break
+                
+