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您可以传递一个虚拟分隔符,然后使用str.split (by ",") 和expand=True:df = pd.read_csv('path/to/file.csv', sep=" ", header=None)df = df[0].str.split(",", expand=True).fillna("")print(df)输出 0 1 2 30 5783 145v 1 g656 4589 3243 tt562 6579