create_dummies_from_categorical_columns.py

def create_dummies_from_categorical_column (df,categorical_features):
  df_copy = df.copy()
  print('changing {}'.format(list(categorical_features)))
  df_result = pd.DataFrame()
  for feature in categorical_features:
    df_temp = df_copy[feature].str.get_dummies()
    df_temp.columns = ['{}_{}'.format(feature,column) for column in df_temp.columns]
    df_copy = df_copy.join(df_temp,rsuffix='_dept')
  df_copy.drop(categorical_features,axis=1,inplace=True)  
  return df_copy