import pandas as pd

# Load real data
df = pd.DataFrame({
    'height': [160, 170, 180, 190, 165],
    'weight': [60, 70, 80, 90, 65],
    'age': [25, 30, 35, 40, 28]
})

print(df.head())  # See first few rows
print(df.describe())  # Get statistics