Question: What is the proper way to write a list comprehension that represents all the keys in this dictionary?

1. `fruit_names = [x in fruits.keys() for x]`
2. `fruit_names = for x in fruits.keys() *`
3. `fruit_names = [x for x in fruits.keys()]`
4. `fruit_names = x for x in fruits.keys()`

Answer: The correct answer of the above question is Option C:`fruit_names = [x for x in fruits.keys()]`