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RaulMedeiros/list of lists into a single list

Created November 22, 2019 12:51
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list of lists into a single list
import itertools
dict_ = [{'a': [[10.0], ['10', 20], [30.0], ['10', 20, 30.0]],
'b': [[10.0], ['10', 20], [30.0], ['10', 20, 30.0]] }]*10
df = pd.DataFrame(dict_)
function = lambda x: list(itertools.chain.from_iterable(x['a']))
df['a'] = df.apply(function, axis=1)
df
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