from flask import Flask, request

app = Flask(__name__)

@app.route('/process_data', methods=['POST'])
def process_data():
    data = request.form['data']
    # Process the data as needed
    return 'Data received: ' + data

if __name__ == '__main__':
    app.run()

import requests

url = 'http://localhost:5000/process_data'
data = {'data': 'Hello, server!'}
response = requests.post(url, data=data)
print(response.text)