python list of dictionaries to pandas code example

Example 1: dataframe to list of dicts

df = pd.DataFrame({'Name': ['John', 'Sara','Peter','Cecilia'],
                   'Age': [38, 47,63,28],
                  'City':['Boston', 'Charlotte','London','Memphis']})

datadict = df.to_dict('records')

Example 2: python list of dictionaries to list

[d['value'] for d in l if 'value' in d]