Check if Column Exists in pandas DataFrame in Python (Example) | How to Search & Find Variable Name

How to test whether a column name exists in a pandas DataFrame in the Python programming language. More details: https://statisticsglobe.com/check-if-column-exists-in-pandas-dataframe-python
Python code of this video:

import pandas as pd # Import pandas

data = pd.DataFrame({'x1':range(1, 6), # Create example DataFrame
'x2':[1, 1, 1, 1, 1],
'x3':[5, 2, 6, 8, 1]})
print(data) # Print example DataFrame

print('x1' in data.columns) # Test for existing column
# True

print('some_name' in data.columns) # Test for non-existing column
# False

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