pandas to the rescue:
import pandas as pd
print pd.read_csv('value.txt')
Date price factor_1 factor_2
0 2012-06-11 1600.20 1.255 1.548
1 2012-06-12 1610.02 1.258 1.554
2 2012-06-13 1618.07 1.249 1.552
3 2012-06-14 1624.40 1.253 1.556
4 2012-06-15 1626.15 1.258 1.552
5 2012-06-16 1626.15 1.263 1.558
6 2012-06-17 1626.15 1.264 1.572
This returns pandas DataFrame that is similar to R's
.