Get first row value of a given column

Here's an example of how you can get the first row value of a given column in a Pandas DataFrame in Python:

Get the first row value of a given column in a Pandas DataFrame in Python

import pandas as pd

# Create a sample dataframe
df = pd.DataFrame({'A':[1,2,3], 'B':[4,5,6], 'C':[7,8,9]})

# Get the first row value of column 'B'
first_row_value = df.at[0, 'B']

print(first_row_value)
# Output: 4

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You can also use df.loc[0,'B'] or df['B'][0] instead of df.at[0, 'B'] to get first row value of column 'B'.