Code Rate

Problem

Return the rate k / n of a code that encodes k message bits into n code bits. The rate is the fraction of transmitted bits that carry new information.

Hint

An uncoded system has rate 1.

Test cases

case 1

in: [4,7]

expected: 0.5714285714285714

case 2

in: [1,3]

expected: 0.3333333333333333

case 3

in: [1,2]

expected: 0.5

case 4

in: [4,4]

expected: 1

Starter codePython

def code_rate(k, n):
    # Your code here
    pass

4 test cases · run your code against them in the editor