
# import necessary libraries
import pandas as pd
import numpy as np

# create sample data
data = {
    'Name': ['Alice', 'Bob', 'Charlie', 'Dave'],
    'Age': [25, 30, 35, 40],
    'Gender': ['F', 'M', 'M', 'M'],
    'Salary': [50000, 70000, 60000, 80000],
    'Country': ['USA', 'Canada', 'UK', 'Australia']
}

# convert data into a dataframe
df = pd.DataFrame(data)


# use info() to get summary of the dataframe
summary = df.info()
print(summary)