save project

diy2.py

+i=3
+username = "python"
+userpassword = "123456"
+while True:
+    i-=1
+    if i >= 0:
+        name = input("请输入用户名:")
+        if name == username:
+            password = input("请输入密码:")
+        else:
+            print("账号输入错误,请重新输入.")
+            print("温馨提示,你还有"+str(i)+"机会")
+            continue
+        if password == userpassword:
+            print("登录成功!")
+            break
+        else:
+            print("密码错误")
+            print("温馨提示,你还有"+str(i)+"机会")
+    else:
+        print("连续3次错误,请到我司解锁")
+        exit()
+print("欢迎来到贝尔编程!")
\ No newline at end of file