Алексей

Шлем запрос на toster.ru с заголовками: header1, header2 и телом: Body1, Body2 - у всех параметров передаем значение Value

import requests

url = "https://toster.ru/"

payload = "------WebKitFormBoundary7MA4YWxkTrZu0gW\r\nContent-Disposition: form-data; name=\"Body1\"\r\n\r\nValue\r\n------WebKitFormBoundary7MA4YWxkTrZu0gW\r\nContent-Disposition: form-data; name=\"Body2\"\r\n\r\nValue\r\n------WebKitFormBoundary7MA4YWxkTrZu0gW--"
headers = {
    'content-type': "multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW",
    'header1': "Value",
    'header2': "Value",
    'cache-control': "no-cache"
    }

response = requests.request("POST", url, data=payload, headers=headers)

print(response.text)

или

import http.client

conn = http.client.HTTPSConnection("toster.ru")

payload = "------WebKitFormBoundary7MA4YWxkTrZu0gW\r\nContent-Disposition: form-data; name=\"Body1\"\r\n\r\nValue\r\n------WebKitFormBoundary7MA4YWxkTrZu0gW\r\nContent-Disposition: form-data; name=\"Body2\"\r\n\r\nValue\r\n------WebKitFormBoundary7MA4YWxkTrZu0gW--"

headers = {
    'content-type': "multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW",
    'header1': "Value",
    'header2': "Value",
    'cache-control': "no-cache"
    }

conn.request("POST", "/", payload, headers)

res = conn.getresponse()
data = res.read()

print(data.decode("utf-8"))