help I'm a beginner in options trading anyone knows of any traning

kindle has all kinds of free books on options for beginners

NO.1 Overview of new features
iOS：
1. Option P&L diagram
2. Support to display Time Frame in Watchlists
3. Interactive modification of Watchlists
4. New account details page
5. Support to join discussion when writing a moment
Android：
1. Added Trend Comparsion function
2. Option P&L diagram
3. New account details page
4. Support to join discussion when writing a moment
NO.2 Introduction of New Features

Hey guys, we often receive a lot of questions from our users. Here we would like to answer these frequently asked questions with Q&A format. This will be delivered once a week in order to provide quick access for problem-solving. This time, we select 8 questions regarding features, trade service, deposit, and account.
Note: securities products and services in moomoo are offered by Futu Inc.
1. Q: How to set VWAP on charts?
A: ① App: Chart settings→Indicators→Add Indicator→Trend→Select option “VWAP”
② PC/MAC version: Management→Select option “VWAP” in Trend
For more about VWAP, click here to review.
2. Q: How can I cancel an order?
A: There are two ways:
1) Go to margin account which locates at the top of your watchlists, then s