give column names to dataframe code example

Example 1: rename columns pandas

df.rename(columns={'oldName1': 'newName1',
                   'oldName2': 'newName2'},
          inplace=True, errors='raise')
# Make sure you set inplace to True if you want the change
# to be applied to the dataframe

Example 2: pandas add column names

# Basic syntax:
your_dataframe.columns = ['new', 'column', 'names']

# Google "python change row or column names in pandas dataframe" for
# longer answer with examples

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: df change column names

df.rename(columns={"A": "a", "B": "b", "C": "c"},
errors="raise", inplace=True)

Example 5: how to add column headers in pandas

#suppose team is a df that has unnamed columns (0,1...)
team.columns =['Name', 'Code', 'Age', 'Weight']

Example 6: give column names to a dataframe

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