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Exercise 14

Identify all of the identifiers on each line of the following code.

def multiply(left, right):
    return left * right

def get_num(prompt):
    return float(input(prompt))

first_number = get_num('Enter the first number: ')
second_number = get_num('Enter the second number: ')
product = multiply(first_number, second_number)
print(f'{first_number} * {second_number} = {product}')

Solution

The identifiers in this code are multiply, left, right, first_number, second_number, get_num, prompt, float, input, product, and print. The following table shows where each identifier appears in the code.

Identifier	Appears on these lines
`multiply`	1, 9
`left`	1, 2
`right`	1, 2
`first_number`	7, 9, 10
`second_number`	8, 9, 10
`get_num`	4, 7, 8
`prompt`	4, 5
`float`	5
`input`	5
`product`	9, 10
`print`	10

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