Merge remote-tracking branch 'upstream/master'

1 files changed, 28 insertions, 0 deletions

diff --git a/challenge-283/sgreen/python/ch-2.py b/challenge-283/sgreen/python/ch-2.py
new file mode 100755
index 0000000000..978ad41f6d
--- /dev/null
+++ b/challenge-283/sgreen/python/ch-2.py
@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+
+from collections import Counter
+import sys
+
+
+def digit_count_value(ints: list) -> bool:
+    # Calculate the frequency of each integer
+    freq = Counter(ints)
+
+    for idx, value in enumerate(ints):
+        # Check the index only appear value number of times
+        if freq[idx] != value:
+            return False
+
+    # Checks pass
+    return True
+
+
+def main():
+    # Convert input into integers
+    array = [int(n) for n in sys.argv[1:]]
+    result = digit_count_value(array)
+    print('true' if result else 'false')
+
+
+if __name__ == '__main__':
+    main()