Solution to problem 6 in Python

pyproject.toml

@@ -30,6 +30,11 @@ force_grid_wrap = 0
 use_parentheses = true
 line_length = 79
 
+[tool.mypy]
+pretty = true
+show_traceback = true
+allow_redefinition = true
+
 [tool.black]
 line-length = 79
 target-version = ['py38']
@@ -53,8 +58,3 @@ exclude = '''
                      # the root of the project
 )
 '''
-
-[tool.mypy]
-pretty = true
-show-traceback = true
-allow-redefinition = true