add python solution for challenge 1 week 117

1 files changed, 17 insertions, 0 deletions

diff --git a/challenge-117/steven-wilson/python/ch-1.py b/challenge-117/steven-wilson/python/ch-1.py
new file mode 100755
index 0000000000..a3870ba254
--- /dev/null
+++ b/challenge-117/steven-wilson/python/ch-1.py
@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+import sys
+
+
+if __name__ == "__main__":
+    filename = sys.argv[1]
+    file = open(filename)
+    lines = file.readlines()
+    line_numbers = [int(line.split(',')[0]) for line in lines]
+    line_numbers.sort()
+    number = 1
+    for line_number in line_numbers:
+        if number != line_number:
+            break
+        else:
+            number += 1
+    print("The missing row number is %d" % number)
\ No newline at end of file