Contents

def is_iterable(thing):
    try:
        iter(thing)
    except TypeError:
        return False
    else:
        return True


def flatten(iterable):
    """Flatten a list of lists."""
    flattened = []
    for item in iterable:
        if is_iterable(item) and not isinstance(item, (str, bytes)):
            flattened += flatten(item)
        elif item is not None:
            flattened.append(item)
    return flattened

Version data entries

387 entries across 387 versions & 1 rubygems

Version	Path
trackler-2.2.1.98	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.97	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.96	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.95	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.94	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.93	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.92	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.91	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.90	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.89	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.88	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.87	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.86	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.85	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.84	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.83	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.82	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.81	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.80	tracks/python/exercises/flatten-array/example.py
trackler-2.2.1.79	tracks/python/exercises/flatten-array/example.py