# \#i-not-defined

**URL:** https://discourse.julialang.org/tag/i-not-defined/744.md

[Latest](https://discourse.julialang.org/latest.md) · [Categories](https://discourse.julialang.org/categories.md) · [Tags](https://discourse.julialang.org/tags.md)

---

## [I have no idea what's wrong. Please help! ERROR: UndefVarError: i not defined](https://discourse.julialang.org/t/i-have-no-idea-whats-wrong-please-help-error-undefvarerror-i-not-defined/65416)

<div class="topic-metadata">

**Author:** [@programista](https://discourse.julialang.org/u/programista)\
**Replies:** 6\
**Last updated:** [July 28, 2021, 6:00pm UTC](https://discourse.julialang.org/t/i-have-no-idea-whats-wrong-please-help-error-undefvarerror-i-not-defined/65416 "2021-07-28T18:00:04Z")

</div>

I hvave no idea what wrong . Please help! julia\> for i=1:length(przedzaly)-1 var\_name=Symbol("lista\_polaczona\_" \* string(litery\[i\])) println(var\_name) @eval $var\_name=lista\[przedzaly\[i\]+1:przedzaly\[…