Add punctuation: This course is for both people who are just starting in photography with digital camera as experienced photographers who want to know the peculiarities of working with digital cameras
A: This course is for both people who are just starting in photography with digital camera as experienced photographers who want to know the peculiarities of working with digital cameras.

Add punctuation: Before you can open a LEGIT file youll need to figure out what kind of file the LEGIT file extension refers to
A: Before you can open a LEGIT file, you'll need to figure out what kind of file the LEGIT file extension refers to.

Add punctuation: My friend Rasmus Klump adds courage and stolidity and in 2017 Rasmus Klump far from home goes hand in hand with his two best friends namely Denmark and Japan says Freddy Svane
A:
My friend Rasmus Klump adds courage and stolidity, and in 2017, Rasmus Klump - far from home - goes hand in hand with his two best friends, namely Denmark and Japan, "says Freddy Svane.