我只用
zip：
In [1]: from pandas import *In [2]: def calculate(x): ...: return x*2, x*3 ...:In [3]: df = Dataframe({'a': [1,2,3], 'b': [2,3,4]})In [4]: dfOut[4]: a b0 1 21 2 32 3 4In [5]: df["A1"], df["A2"] = zip(*df["a"].map(calculate))In [6]: dfOut[6]: a b A1 A20 1 2 2 31 2 3 4 62 3 4 6 9
