Fayl I/O

# yozish
with open("data.txt", "w", encoding="utf-8") as f:
    f.write("salom\n")

# o‘qish
with open("data.txt", "r", encoding="utf-8") as f:
    print(f.read())

JSON

import json
user = {"name": "Ali", "age": 20}
js = json.dumps(user, ensure_ascii=False)
print(js)
print(json.loads(js))

HTTP (requests)

import requests
resp = requests.get("https://api.github.com", timeout=10)
print(resp.status_code)
print(resp.headers.get("content-type"))
print(resp.json())