You can use pandas.DataFrame.to_csv(), and setting both index
and header
to False
:
In [97]: print df.to_csv(sep=' ', index=False, header=False)
18 55 1 70
18 55 2 67
18 57 2 75
18 58 1 35
19 54 2 70
pandas.DataFrame.to_csv
can write to a file directly, for more info you can refer to the docs linked above.