Implement argument parsing

utils/venv-manager.py

@@ -46,10 +46,26 @@
 logger.addHandler(file_handler)
 
 
+################################################################################
+# Functions
+################################################################################
+
+
+def get_args() -> argparse.Namespace:
+    """Parses arguments and returns argparses's generated namespace.
+
+    Returns:
+        argparse.Namespace: Argparses's generated namespace.
+    """
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "action",
+        help="Action to perform.",
+        choices=("create", "delete", "reset")
+    )
+    return parser.parse_args()
+
+
 if __name__ == "__main__":
-    logger.debug("This is a debug message.")
-    logger.info("This is an info message.")
-    logger.warning("This is a warning message.")
-    logger.error("This is an error message.")
-    logger.critical("This is a critical message.")
-
+    args = get_args()
+    action = args.action