1 files changed, 25 insertions, 0 deletions
diff --git a/challenge-343/steven-wilson/python/ch-1.py b/challenge-343/steven-wilson/python/ch-1.py
new file mode 100644
index 0000000000..de75719b2c
--- /dev/null
+++ b/challenge-343/steven-wilson/python/ch-1.py
@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+
+
+def zero_friend(numbers):
+    """ Given a list of numbers, find the number that is closest to zero and
+    return its distance to zero.
+
+    >>> zero_friend([4, 2, -1, 3, -2])
+    1
+    >>> zero_friend([-5, 5, -3, 3, -1, 1])
+    1
+    >>> zero_friend([7, -3, 0, 2, -8])
+    0
+    >>> zero_friend([-2, -5, -1, -8])
+    1
+    >>> zero_friend([-2, 2, -4, 4, -1, 1])
+    1
+    """
+    return min(abs(x) for x in numbers)
+
+
+if __name__ == "__main__":
+    import doctest
+
+    doctest.testmod(verbose=True)