auto save

rtyhuj.py

+username = "python"
+userpassword = "123456"
+b=5
+while True:
+    if b>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        b-=1
+        if name != username:
+            print(" 用户名错误!")
+            continue
+        elif password != userpassword :
+            print("密码错误!")
+            continue
+        else : 
+            print("登录成功!")
+    else:
+        print("已锁定，请联系我公司解锁")
+        exit()
+    print("欢迎来到贝尔编程!")
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