Here is how to access a column of a pandas dataframe in Python.

# Import the library and create a dataframe object
import pandas
df = pandas.DataFrame({'A': [1, 2], 'B': [10, 20]}) 
# Access the column
column = df['A'] 
# Print out the column

0    1
1    2
Name: A, dtype: int64

Accessing a pandas dataframe column is as easy as doing df['A'] where df is the dataframe and A is the name of the column.

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