Change column name df

Pandas rename column

df.rename(columns={"old_col1": "new_col1", "old_col2": "new_col2"}, inplace=True)

Change column name df

>>> df = pd.DataFrame({"A": [1, 2, 3], "B": [4, 5, 6]})
>>> df.rename(columns={"A": "a", "B": "c"})
   a  c
0  1  4
1  2  5
2  3  6

Source: pandas.pydata.org

Rename df column

import pandas as pd
data = pd.read_csv(file)
data.rename(columns={'original':'new_name'}, inplace=True)

Renaming headers pandasd

df = df.rename(columns={"old_col1": "new_col1", "old_col2": "new_col2"})

Rename column pandas

>>> df.rename({1: 2, 2: 4}, axis='index')
   A  B
0  1  4
2  2  5
4  3  6

Source: pandas.pydata.org

Dataframe rename column

df = pd.DataFrame({"A": [1, 2, 3], "B": [4, 5, 6]})

# Option 1
df.rename({"A": "a", "B": "c"}, axis=1)

# Option 2
df.rename(columns={"A": "a", "B": "c"})

# Result
   a  c
0  1  4
1  2  5
2  3  6

Source: pandas.pydata.org

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