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python typing module list

"""
typing.Tuple and typing.List are Generic types; this means you can specify what type their contents must be:
"""

def f(points: Tuple[float, float]):
    return map(do_stuff, points)

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from typing import List

def labeling(df:pd.DataFrame, columns_name:list) -> pd.DataFrame:
    data = df.copy()
    for column in columns_name:
        for i in range(len(data[column])):
            if data[column][i] > 0:
                data[column] = data[column].replace(data[column][i], 1)
            else:
                data[column] = data[column].replace(data[column][i], 0)
    return data

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python typing module list

from typing import List

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