PythonAndGoCommunity · astronomer-alkor · Nov 10, 2018 · Nov 13, 2018 · Nov 18, 2018 · Nov 18, 2018
diff --git a/final_task/pycalc/__init__.py b/final_task/pycalc/__init__.py
diff --git a/final_task/pycalc/core/__init__.py b/final_task/pycalc/core/__init__.py
diff --git a/final_task/pycalc/core/args.py b/final_task/pycalc/core/args.py
@@ -0,0 +1,16 @@
+"""
+This module allows to work with command line arguments
+"""
+import argparse
+
+
+def arg_parser():
+    """
+    Parse arguments of command line
+    :return: arguments of command line
+    """
+    parser = argparse.ArgumentParser(description='Pure-python command-line calculator.')
+    parser.add_argument('EXPRESSION', help='expression string to evaluate')
+    parser.add_argument('-m', '--use-modules', nargs='+', dest='MODULE', help='additional modules to use')
+
+    return parser.parse_args()