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Pandas: Get column index from column name of a given DataFrame

Pandas: DataFrame Exercise-56 with Solution

Write a Pandas program to get column index from column name of a given DataFrame.

Sample Solution :

Python Code :

import pandas as pd
d = {'col1': [1, 2, 3, 4, 7], 'col2': [4, 5, 6, 9, 5], 'col3': [7, 8, 12, 1, 11]}
df = pd.DataFrame(data=d)
print("Original DataFrame")
print(df)
print("\nIndex of 'col2'")
print(df.columns.get_loc("col2"))

Sample Output:

Original DataFrame
   col1  col2  col3
0     1     4     7
1     2     5     8
2     3     6    12
3     4     9     1
4     7     5    11

Index of 'col2'
1

Python-Pandas Code Editor:

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Previous: Write a Pandas program to group by the first column and get second column as lists in rows.
Next: Write a Pandas program to count number of columns of a DataFrame.

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