access columns with specific names in pandas code example

Example 1: select specific column names from dataframe

import pandas
data = pandas.DataFrame({'A' : ['X', 'Y'], 
                        'B' : 1, 
                        'C' : [2, 3]})
print data[['A', 'B']]

# Output   A  B
# 0  X  1
# 1  Y  1

Example 2: python pandas return column name of a specific column

# Basic syntax:
list(df.columns)[column_number]
# This returns the column name of the column of interest