csv_to_json.py

import csv
import json

file_name = input("Provide the CSV filename without extension>> ")

try:

    with open(file_name+'.csv') as f:

        reader = csv.reader(f, delimiter=',')
        titles = []
        temp_data = {}

        for heading in reader:
            titles = heading
            break

        i = 1
        for row in reader:
            current_row = "row{}".format(i)
            temp_data['{}'.format(current_row)] = {}
            for col in range(len(titles)):
                temp_data[current_row][titles[col]] = row[col]
            i+=1

    with open(file_name+'.json', 'w') as f_j:
        json.dump(temp_data, f_j, indent=4)

except:
    print("Please provide correct filename")

print("File converted successfully :)\n")