Python/pandas equivalent to R's rm() - 


df1 = pandas.read_csv('') df2 = df1[['a', 'b']]

now want remove df1 memory. make not make df2, , make df1 = df1[[]], later import further datasets , append them together, no matter i'll need remove datasets memory.

in r, use rm(df1) , removed memory.

thanks. assume duplicate, nothing popped in search.


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