Rename Columns
In [1]:
# Renaming a Single Column
import pandas as pd
df = pd.DataFrame({
'A': [1, 2, 3],
'B': [4, 5, 6]
})
df.rename(columns={'A': 'Alpha'}, inplace=True)
print(df)
Alpha B 0 1 4 1 2 5 2 3 6
In [2]:
# Renaming Multiple Columns
import pandas as pd
df = pd.DataFrame({
'A': [1, 2, 3],
'B': [4, 5, 6]
})
df.rename(columns={'A': 'Alpha', 'B': 'Beta'}, inplace=True)
print(df)
Alpha Beta 0 1 4 1 2 5 2 3 6
In [3]:
#Using columns Attribute
import pandas as pd
df = pd.DataFrame({
'A': [1, 2, 3],
'B': [4, 5, 6]
})
df.columns = ['Alpha', 'Beta']
print(df)
Alpha Beta 0 1 4 1 2 5 2 3 6
In [4]:
# Renaming Columns with a Function
import pandas as pd
df = pd.DataFrame({
'A': [1, 2, 3],
'B': [4, 5, 6]
})
df.rename(columns=lambda x: x.lower(), inplace=True)
print(df)
a b 0 1 4 1 2 5 2 3 6