where does json.dump put files in python code example

Example 1: json dump to file

import json

data = {"key": "value"}

with open('data.json', 'w') as jsonfile:
    json.dump(data, jsonfile)

Example 2: write json pythonb

import json

data = {}
data['people'] = []
data['people'].append({
    'name': 'Scott',
    'website': 'stackabuse.com',
    'from': 'Nebraska'
})
data['people'].append({
    'name': 'Larry',
    'website': 'google.com',
    'from': 'Michigan'
})
data['people'].append({
    'name': 'Tim',
    'website': 'apple.com',
    'from': 'Alabama'
})

with open('data.txt', 'w') as outfile:
    json.dump(data, outfile)