04 Functions

Question 1

How do you declare a function

Answer 1

def, followed by function name , followed by list of arguments to be passed to the function, ends with colon

Question 2

docstring

Answer 2

documentation string that describes in words what the problem does

Question 3

function

Answer 3

a block of code that can be reused multiple times with different input data

Question 4

How does writing more code increase the likelihood of errors?

Answer 4

More code means some sections are used less frequently, making errors harder to detect and more likely

Question 5

What is the order in which arguments should be passed into a function

Answer 5

Order in which function arguments are listed

Question 6

Why is it useful to have a default argument values that can override functions

Answer 6

Saves the programmer effort, less code to write

Question 7

Scope

Answer 7

the variables declared inside the function are not visible outside the function
do not have to worry about variables affecting other parts of program

Question 8

Recursion

Answer 8

Function makes called to itself

Question 9

Named arguments

Answer 9

Used when a function has numerous arguments
Case order does not matter
Enhances program readability + reduces errors