<jupyter_start><jupyter_text><jupyter_code>import pandas as pd
import seaborn as sns
import matplotlib.pyplot as plt
import numpy as np
df = pd.read_csv('/content/medical_examination.csv')
df
# Add 'overweight' column
df['overweight'] = df['weight']/(df['height']/100)**2
df
df['overweight'] = (df['overweight'] > 25).astype(int)
df
df['cholesterol'] = max(1-df['cholesterol'],0)
df<jupyter_output><empty_output>
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