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snippets/python/s/in-range.md

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+---
+title: Number in range
+type: snippet
+language: python
+tags: [math]
+cover: pineapple-on-green
+dateModified: 2020-09-15T16:13:06+03:00
+---
+
+Checks if the given number falls within the given range.
+
+- Use arithmetic comparison to check if the given number is in the specified range.
+- If the second parameter, `end`, is not specified, the range is considered to be from `0` to `start`.
+
+```py
+def in_range(n, start, end = 0):
+  return start <= n <= end if end >= start else end <= n <= start
+```
+
+```py
+in_range(3, 2, 5) # True
+in_range(3, 4) # True
+in_range(2, 3, 5) # False
+in_range(3, 2) # False
+```