_ are extremely _ data structure’s, used all the time, and there are so many _ that can handle them to do useful things. A _ can be thought of as an array of arrays
•versatile
•functions
•arrays
•matrix

arrays are extremely versatile  data structure’s, used all the time, and there are so many functions that can handle them to do useful things.

A matrix can be thought of as an array of arrays

Arrays are extremely versatile data structure's, used all the time, and there are so many functions that can handle them to do useful things.

A matrix can be thought of as an array of arrays.

Happy Holidays

Explanation:

this would start to sound a little like mortal combat

assuming you are in the home page.

1) go to the upper right hand corner

2) click on your "profile picture"

3) go down to "edit profile"

4) it should be titled as "edit your profile", click on "profile picture"

5) choose a file

6) press "change"

you're profile picture is updated

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