# Pls find error in this

**URL:** <https://discuss.python.org/t/pls-find-error-in-this/8295>\
**Category:** Python Help\
**Created:** [April 19, 2021, 8:34am UTC](https://discuss.python.org/t/pls-find-error-in-this/8295 "2021-04-19T08:34:40Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Jesse](https://avatars.discourse-cdn.com/v4/letter/j/c77e96/32.png) [@Jesse](https://discuss.python.org/u/Jesse)\
**Post date:** [April 19, 2021, 8:34am UTC](https://discuss.python.org/t/pls-find-error-in-this/8295/1 "2021-04-19T08:34:40Z")

</div>

```
    for x in range(len(s.body)):
        if s.body[x].pos in list(map(lambda z: z.pos, s.body[x + 1:])):
            print(\'Score: \', len(s.body))
            message_box(\'You Lost!\', \'Play again...\')
            s.reset((10, 10))
            break
```