column names pandas code example

Example 1: python: change column name

df = df.rename(columns = {'myvar':'myvar_new'})

Example 2: python return column names of pandas dataframe

# Basic syntax:
your_dataframe.columns

# Note, if you want the column names as a list, just do:
list(your_dataframe.columns)

Example 3: create dataframe with column names pandas

In [4]: import pandas as pd
In [5]: df = pd.DataFrame(columns=['A','B','C','D','E','F','G'])
In [6]: df
Out[6]:
Empty DataFrame
Columns: [A, B, C, D, E, F, G]
Index: []

Example 4: pd dataframe get column names

lst = data.columns.values     # data is dataframe

Example 5: give column names to a dataframe

>gapminder.columns = ['country','year','population',
                     'continent','life_exp','gdp_per_cap']