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# This performs row-wise operations in a dataframe.
# Perform addition of columns: column A + column B
df["addition_result"] = df['A'].add(df['B'])
# Perform subtraction of columns: column A - column B
df["subtraction_result"] = df['A'].sub(df['B'])
# Perform multiplication of columns: column A * column B
df["multiplication_result"] = df['A'].mul(df['B'])
# Perform Division of columns: column A / column B
df["division_result"] = df['A'].div(df['B'])