Программа для замены текста из одной базы на рандомные значения из другой

from random import randint
 
sent = []
names = []
 
with open('2.txt', 'r+') as file:
    names = file.read().splitlines()
 
with open('1.txt', 'r+') as file:
    sent = file.read().splitlines()
    ready = []
    for s in sent:
        words = s.split()
        words.pop(0)
        words.insert(0, names[randint(0, len(names)-1)])
        ready.append(' '.join(words))
    file.seek(0)
    file.write('\n'.join(ready))
    file.truncate()

import json
from random import randint
 
names = []
 
with open('2.txt', 'r+') as file:
    names = file.read().splitlines()
 
with open('1.txt', 'r+') as file:
    json_str = file.read()
    json_data = json.loads(json_str)
 
    for data in json_data['data']:
        if 'username' in data:
            data['username'] = names[randint(0, len(names)-1)]
    file.truncate(0)
    file.seek(0)
    file.write(json.dumps(json_data, ensure_ascii=False))

import json
from random import randint
import codecs
 
names = []
 
with open('2.txt', 'r+') as file:
    names = file.read().splitlines()
 
with open('1.txt', 'r+', encoding='utf-8') as file:
    json_str = file.read()
    json_data = json.loads(json_str)
 
    for data in json_data['data']:
        if 'username' in data:
            data['username'] = names[randint(0, len(names)-1)]
    file.truncate(0)
    file.seek(0)
    file.write(json.dumps(json_data, ensure_ascii=False).encode('utf8').decode("utf-8"))

import json
from random import randint
import codecs
 
names = []
 
with open('2.txt', 'r+') as file:
    names = file.read().splitlines()
 
with open('1.txt', 'r+') as file:
    json_str = file.read()
    json_data = json.loads(json_str)
 
    for data in json_data['data']:
        if 'username' in data:
            data['username'] = names[randint(0, len(names)-1)]
    file.truncate(0)
    file.seek(0)
    file.write(json.dumps(json_data, ensure_ascii=False))