pass list of columns names in pandas
>>> import pandas
>>> # create three rows of [0, 1, 2]
>>> df = pandas.DataFrame([range(3), range(3), range(3)])
>>> print df
0 1 2
0 0 1 2
1 0 1 2
2 0 1 2
>>> my_columns = ["a", "b", "c"]
>>> df.columns = my_columns
>>> print df
a b c
0 0 1 2
1 0 1 2
2 0 1 2