Reorganize snippets

python/s/is-odd.md

@@ -0,0 +1,23 @@
+---
+title: Number is odd
+type: snippet
+language: python
+tags: [math]
+unlisted: true
+cover: interior-6
+dateModified: 2021-01-04T12:47:04+02:00
+---
+
+Checks if the given number is odd.
+
+- Checks whether a number is even or odd using the modulo (`%`) operator.
+- Returns `True` if the number is odd, `False` if the number is even.
+
+```py
+def is_odd(num):
+  return num % 2 != 0
+```
+
+```py
+is_odd(3) # True
+```