BigCountries_Pandas.py

# A country is big if:
#   it has an area of at least three million (i.e., 3000000 km2), or
#   it has a population of at least twenty-five million (i.e., 25000000).
# Write a solution to find the name, population, and area of the big countries.
# Return the result table in any order.

import pandas as pd 

def big_countries(world: pd.DataFrame): 
    df = world[(world['area'] >= 3000000) | (world['population'] >= 25000000)]
    return df[['name', 'population', 'area']]

# schema
data = [['Afghanistan', 'Asia', 652230, 25500100, 20343000000], ['Albania', 'Europe', 28748, 2831741, 12960000000], ['Algeria', 'Africa', 2381741, 37100000, 188681000000], ['Andorra', 'Europe', 468, 78115, 3712000000], ['Angola', 'Africa', 1246700, 20609294, 100990000000]]
World = pd.DataFrame(data, columns=['name', 'continent', 'area', 'population', 'gdp']).astype({'name':'object', 'continent':'object', 'area':'Int64', 'population':'Int64', 'gdp':'Int64'})

print(big_countries(World))