flyingtier
diff --git a/‎appendix_argparse/one_arg.py‎
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+#!/usr/bin/env python3
+"""A single positional argument"""
+
+import argparse
+
+
+# --------------------------------------------------
+def get_args():
+    """Get command-line arguments"""
+
+    parser = argparse.ArgumentParser(
+        description='A single positional argument',
+        formatter_class=argparse.ArgumentDefaultsHelpFormatter)
+
+    parser.add_argument('name', metavar='name', help='The name to greet')
+
+    return parser.parse_args()
+
+
+# --------------------------------------------------
+def main():
+    """Make a jazz noise here"""
+
+    args = get_args()
+    print('Hello, ' + args.name + '!')
+
+
+# --------------------------------------------------
+if __name__ == '__main__':
+    main()