GET and POST sample implementation.py

app.py

import json
from flask import Flask, jsonify, request

app = Flask(__name__)


@app.route('/get-json-data', methods=['GET'])
def return_json():
    if(request.method == 'GET'):
        data = {
            "data-1-key-1": "value-1",
            "data-1-key-2": "value-2",
            "data-1-key-3": "value-3",
            "data-1-key-4": "value-4",
            "data-1-key-5": "value-5",
        }
        print(f"data: {data}")
        return jsonify(data)


@app.route('/get-large-string', methods=['GET'])
def return_large_string():
    if(request.method == 'GET'):
        data = ("_LARGE_STRING_"*8)
        print(f"large-string: {data}")
        return data


@app.route('/create-user', methods=['POST'])
def create_user():
    if(request.method == 'POST'):
        data = json.loads(list(request.form.to_dict().keys())[0])
        print(f"post data: {data}")
        return data


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

root:~# flask --version
Python 3.9.13
Flask 2.3.2
Werkzeug 2.3.4
root:~#