Convert CSV Files to JSON in Python

import csv
import json

def csv_to_json(csv_filepath, json_filepath):
    """Convert a CSV file to a JSON file."""
    with open(csv_filepath, mode='r', newline='') as csv_file:
        reader = csv.DictReader(csv_file)
        data = [row for row in reader]

    with open(json_filepath, mode='w') as json_file:
        json.dump(data, json_file, indent=2)

if __name__ == "__main__":
    # Example usage
    sample_csv = "sample.csv"
    sample_json = "sample.json"
    # Create a sample CSV file for demonstration
    with open(sample_csv, 'w', newline='') as f:
        writer = csv.DictWriter(f, fieldnames=["name", "age", "city"])
        writer.writeheader()
        writer.writerow({"name": "Alice", "age": "30", "city": "New York"})
        writer.writerow({"name": "Bob", "age": "25", "city": "London"})

    csv_to_json(sample_csv, sample_json)
    # Read and display the resulting JSON
    with open(sample_json, 'r') as f:
        print(f.read())