""" square up a list of lists so that each item in the list has the same number of elements. """ import random def fill_columns(rows, fill_value=''): num_cols = [len(i) for i in rows] max_cols = max(num_cols) if min(num_cols) != max_cols: rows = [j + [fill_value]*(max_cols-num_cols[i]) for i, j in enumerate(rows)] return rows def display(rows): for row in rows: print('#Rows: {}, Value: {}'.format(len(row), row)) import string letters = string.letters rows = [random.sample(letters, random.randrange(1, 6)) for i in range(4)] print('BEFORE ...') display(rows) print('-'*40) print('AFTER ...') display(fill_columns(rows))
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