This has tripped me off way more than I would like. For those of you who don't know adding a comma makes a variable into tuple (Yes its not the C bracket)
<pre><code class="lang-python">foo = 1,
print(type(foo))
</code></pre>
It prints:
<pre><code>&lt;class 'tuple'&gt;
</code></pre>

This has tripped me off way more than I would like. For those of you who don't know adding a comma makes a variable into tuple (Yes its not the C bracket)
```python
foo = 1,
print(type(foo))
```

It prints:
```
<class 'tuple'>
```

Trailing commas in python