import pandas as pd  In [603]: df = pd.DataFrame({'col1':list("abc"),'col2':range(3)},index = range(3))  In [604]: df Out[604]:    col1  col2 0    a     0 1    b     1 2    c     2  In [605]: pd.concat([df]*3, ignore_index=True) # Ignores the index Out[605]:    col1  col2 0    a     0 1    b     1 2    c     2 3    a     0 4    b     1 5    c     2 6    a     0 7    b     1 8    c     2  In [606]: pd.concat([df]*3) Out[606]:    col1  col2 0    a     0 1    b     1 2    c     2 0    a     0 1    b     1 2    c     2 0    a     0 1    b     1 2    c     2

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