What if we have trouble memorizing the commands

Question

We could break them into basic operations or sentences

Answer 1

Frequent, regular practice writing code.

You can assist it by wisely repeating what you've learned:

https://code.sololearn.com/cBsq5rYsIB1A/?ref=app

Answer 2

If you have trouble memorizing the commands, it's just a way of showing that you need more practice. So, you should try doing some projects.