python 填充缺少的列以对齐行。

Posted 2021-05-10

def fill_rows(rows, fill_value=None):
    maxcols = max(map(len, rows))
    if min(map(len, rows)) != maxcols:
        rows = (row + [None] * (maxcols - len(i)) for i in rows)
    for row in rows:
        yield row