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-rw-r--r--challenge-203/sgreen/python/ch-1.py21
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diff --git a/challenge-203/sgreen/python/ch-1.py b/challenge-203/sgreen/python/ch-1.py
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+++ b/challenge-203/sgreen/python/ch-1.py
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+#!/usr/bin/env python3
+
+from itertools import combinations
+import sys
+
+def main(n):
+ solutions = 0
+
+ # Work through all combinations of positions
+ for x in combinations(range(len(n)), 4):
+ i, j, k, l = sorted(x)
+ if n[i] + n[j] + n[k] == n[l]:
+ solutions += 1
+
+ # No solution is found
+ print(solutions)
+
+if __name__ == '__main__':
+ # Turn the strings into integers
+ n = [int(i) for i in sys.argv[1:]]
+ main(n)