# Importing the libraries
import pandas as pd
import numpy as np
# data
Student = {
'Name': ['John', 'Jay', 'sachin', 'Geetha', 'Amutha', 'ganesh'],
'gender': ['male', 'male', 'male', 'female', 'female', 'male'],
'math score': [50, 100, 70, 80, 75, 40],
'test preparation': ['none', 'completed', 'none', 'completed',
'completed', 'none'],
}
# creating a Dataframe object
df = pd.DataFrame(Student)
# Applying the condition
df.loc[df["gender"] == "male", "gender"] = 1