/Python/Add column names to dataframe pandas

Add column names to dataframe pandas

How to give column names in pandas when creating dataframe

df_new = df.rename(columns={'A': 'a'}, index={'ONE': 'one'})
print(df_new)
#         a   B   C
# one    11  12  13
# TWO    21  22  23
# THREE  31  32  33

print(df)
#         A   B   C
# ONE    11  12  13
# TWO    21  22  23
# THREE  31  32  33

Source: note.nkmk.me

How to add column headers in pandas

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

Add column names to dataframe pandas

# python 3.x
import pandas as pd
import numpy as np

df = pd.DataFrame(data=np.random.randint(0, 10, (6,4)))

df.columns=["a", "b", "c", "d"]
print(df)

Name columns pandas

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

Source: cmdlinetips.com

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