Loading (charging) a magazine is another task that’s neither intuitive nor easy for beginners. Here’s an explanation of one way to do it.
Not everyone is going to practice with their new pistol but for those who do, this is a useful skill.
Other useful skills are listed in my book,
Concealed Carry Skills and Drills http://concealedcarryskillsanddrills.com
For those who only have access to an indoor range, which means 99.999% of new gun purchasers, my book
Indoor Range Practice Sessions http://indoorrangepracticesessions.com
is a useful resource.