save project

diy2.py

+username = "1"
+userpassword = "2"
+i=3
+while True:
+    if i>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i -= 1
+        if name == username and password == userpassword:
+        
+            break
+            print("登录成功!")
+        if name!=username:
+            input("名字错误")
+            continue
+        if password!=userpassword:
+            input("密码错误")
+            print("温馨提示"+str(i)+"多少次机会")
+    else:
+        print("小傻逼")
+        exit()
+    print("用户名和密码错误!请重新输入")
+print("欢迎来到贝尔编程!")
\ No newline at end of file