games['user_score'] = pd.to_numeric(games['user_score'], errors='coerce')
games['user_score'] = games['user_score'].fillna(20)
games.loc[(games['user_score'] == 'tbd'), 'user_score'] = 11
games.info()


/opt/conda/lib/python3.7/site-packages/pandas/core/ops/__init__.py:1115: FutureWarning:

elementwise comparison failed; returning scalar instead, but in the future will perform elementwise comparison