Multiple parameters in Python - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a function that takes two parameters and returns their sum.

Python

def add_numbers(a, [1]):
    return a + b

Drag options to blanks, or click blank then click option'

Ab

Bc

Cx

Dy

Attempts:

3 left

💡 Hint

Common Mistakes

Using a parameter name that is not used in the function body.

Forgetting to add the second parameter.

The function needs two parameters named a and b to add them correctly.

2fill in blank

medium

Complete the code to call the function with two arguments 5 and 7.

Python

result = add_numbers([1], 7)
print(result)

Drag options to blanks, or click blank then click option'

A3

B5

C10

D7

Attempts:

3 left

💡 Hint

Common Mistakes

Passing the wrong number as the first argument.

Passing only one argument.

The function add_numbers expects two numbers. We pass 5 as the first argument and 7 as the second.

3fill in blank

hard

Fix the error in the function definition to accept three parameters.

Python

def multiply_three(a, b, [1]):
    return a * b * c

Drag options to blanks, or click blank then click option'

Ac

Bd

Ce

Df

Attempts:

3 left

💡 Hint

Common Mistakes

Using a parameter name different from the variable in the return statement.

Forgetting to add the third parameter.

The third parameter must be c to match the variable used in the return statement.

4fill in blank

hard

Fill both blanks to create a function that returns the average of two numbers.

Python

def average([1], [2]):
    return (x + y) / 2

Drag options to blanks, or click blank then click option'

Ax

By

Ca

Db

Attempts:

3 left

💡 Hint

Common Mistakes

Using parameter names that do not match the variables in the return statement.

Swapping the order of parameters incorrectly.

The parameters must be x and y to match the variables used in the return statement.

5fill in blank

hard

Fill all three blanks to create a function that returns a dictionary with keys as parameter names and values as their squares, only if the value is greater than 0.

Python

def squares_dict([1], [2], [3]):
    return {k: v**2 for k, v in zip(['a', 'b', 'c'], [[1], [2], [3]]) if v > 0}

Drag options to blanks, or click blank then click option'

Aa

Bb

Cc

Dd

Attempts:

3 left

💡 Hint

Common Mistakes

Using parameter names that do not match the keys in the dictionary.

Not matching the order of parameters and values in the zip function.

The function parameters must be a, b, and c to match the keys and values zipped in the dictionary comprehension.