Can I store slicers in a variable? (Pandas/Python) [duplicate]

问题:

This question already has an answer here:

• Python slice how-to, I know the Python slice but how can I use built-in slice object for it? 4 answers

I'm just wondering if I can do something like:

df.loc['1990':'2000']

by doing something like:

my_slice = '1990':'2000' df.loc[my_slice]

What I've written doesn't work, but is there something similar that does?

回答1:

Yes, but you don't write slices like that. You write slice('1900', '2000', None) instead.

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