Good work.
Just one note, indentation should be 4 spaces. This is a coding style described in PEP8: https://www.python.org/dev/peps/pep-0008/?#indentation
Just one note, indentation should be 4 spaces. This is a coding style described in PEP8: https://www.python.org/dev/peps/pep-0008/?#indentation