save project

diy2.py

+i=3
+azh = "python"
+amm = "0123456789"
+while True:
+    if i==0:
+        zh = input("请输入用户名:")
+        mm = input("请输入密码:")
+        i-=1
+        if zh == azh and mm == amm:
+            print("登录成功!")
+            break
+        if zh!=azh:
+            print("用户名不存在")
+            continue
+        if mm!=amm:
+            print("密码不正确")
+    else:
+        print("你的账户以被锁定")
+        exit()
+print("欢迎来到贝尔编程!")
\ No newline at end of file