auto save

diy2.py

+id = "llllll"
+pwd = "123789"
+count = 0
+while True:
+    if count >= 3:
+        break
+    id2 = input("请输入你的名字:")
+    pwd2 = input("请输入密码：")
+    if id == id2 and pwd == pwd2:
+        print("欢迎来到贝尔编程世界")
+        break
+    if id != id2:
+        print("用户名错误")
+        count = count + 1
+        continue
+    elif pwd != pwd2:
+        print("密码错误")
+        count = count + 1
+
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+