save project

diy2.py

+i=3
+a = "python"
+b = "123456"
+while True:
+    if i>0:
+        aa = input("账号")
+        bb = input("密码")
+        i-=1
+        if a == aa and b == bb:
+            print("登录成功")
+            break
+        if a != aa:
+            print("用户名错误，请重新输入！")
+            print("温馨提示：您还有"+str(i)+"次登录机会！")
+            continue
+        if b != bb:
+            print("密码错误，请重新输入！")
+            print("温馨提示：您还有"+str(i)+"次登录机会！")
+    else:
+        print("账户已锁定！")
+        exit()
\ No newline at end of file