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weather/weather_cli.py

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+# weather_cli.py
+# ------------
+# By MWC Contributors
+#
+# Defines a CLI (command-line interface) for weather. 
+# This is the program that will actually run when you 
+# run `weather` in Terminal. 
+#
+# You don't need to do anything with this file.
+
+from argparse import ArgumentParser
+from weather.weather import print_weather
+
+def weather_cli():
+    """Provides a command-line interface for weather. 
+    This function creates an ArgumentParser, which parses command line arguments.
+    Then it calls `print_weather` with the provided arguments. 
+    """
+    parser = ArgumentParser("weather", description="Prints out a weather report")
+    parser.add_argument("-l", "--location", help="Location for weather forecast")
+    parser.add_argument("-m", "--metric", action="store_true", help="Use metric units")
+    parser.add_argument("-v", "--verbose", action="store_true", help="Verbose output")
+    args = parser.parse_args()
+    print_weather(location=args.location, metric=args.metric, verbose=args.verbose)
+