Merge pull request #10741 from simongreen-net/master

sgreen solutions to challenge 284

1 files changed, 29 insertions, 0 deletions

diff --git a/challenge-284/sgreen/python/ch-1.py b/challenge-284/sgreen/python/ch-1.py
new file mode 100755
index 0000000000..2b7d01598f
--- /dev/null
+++ b/challenge-284/sgreen/python/ch-1.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+
+from collections import Counter
+import sys
+
+
+def lucky_integer(ints: list) -> str:
+    # Calculate the frequency of each integer
+    freq = Counter(ints)
+
+    # Work through the dict, highest first
+    for i in sorted(freq, reverse=True):
+        if i == freq[i]:
+            # We have the lucky integer
+            return i
+
+    # There is no lucky integer
+    return -1
+
+
+def main():
+    # Convert input into integers
+    array = [int(n) for n in sys.argv[1:]]
+    result = lucky_integer(array)
+    print(result)
+
+
+if __name__ == '__main__':
+    main()