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diff --git a/challenge-333/luca-ferrari/python/ch-2.py b/challenge-333/luca-ferrari/python/ch-2.py
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+#!python
+
+#
+# Perl Weekly Challenge 333
+# Task 2
+#
+# See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-333>
+#
+
+import sys
+
+# task implementation
+# the return value will be printed
+def task_2( args ):
+    result = []
+    limit  = len( args )
+    index  = 0
+
+    while limit > 0:
+        current = int( args[ index ] )
+        index   = index + 1
+        result.append( current )
+        limit = limit - 1
+        if limit == 0:
+            break
+
+        if current == 0:
+            result.append( current )
+            limit = limit - 1
+            if limit == 0:
+                break
+
+    return result
+
+# invoke the main without the command itself
+if __name__ == '__main__':
+    print( task_2( sys.argv[ 1: ] ) )