Add I/O example and code example for Reverse

[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (3f71ec6) 94.45% compared to head (f214988) 94.45%. Report is 2 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #297 +/- ## ======================================= Coverage 94.45% 94.45% ======================================= Files 45 45 Lines 2057 2057 ======================================= Hits 1943 1943 Misses 114 114 ```

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