A function is:

a named sequence of instructions that belong together

a group of instructions used in a for loop

an external group of instructions called by a program

the reason or computational value for grouping a bunch of instructions together

Question $16$

A function needs two things:

a name and a parameter

a name and a return value

the keyword def with a name and a colon as well as a body that consists of one or more

python statements

the keyword import to bring in the function and expose it to your program