Add argparse

Author: sina-programer

_argparse.py

@@ -0,0 +1,20 @@
+from argparse import ArgumentParser
+
+parser = ArgumentParser()
+parser.add_argument("-n", "--name", dest="name", type=str, help="select a name (required)")
+parser.add_argument("-t", "--times", dest="times", type=int, help="Several times you want to try?")
+
+parser.add_argument("-o", "--on", action="store_true", dest="state")
+parser.add_argument("-f", "--off", action="store_false", dest="state")
+
+args = parser.parse_args()
+
+if not args.name:
+    parser.error('name is not given')
+
+if args.state:
+    print('you turned the state on (-o | --on)')
+else:
+    print('you turned the state off (-f | --off)')
+
+print(args)