Contamination Overlap Rate

Problem

Return the fraction of eval items whose exact string appears in the training item list. Return 0.0 when the eval list is empty.

case 1

in: [["a","b","c"],["b","c","d"]]

expected: 0.6666666666666666

case 2

in: [["x"],[]]

expected: 0

case 3

in: [[],["a"]]

expected: 0

case 4

in: [["a","a"],["a"]]

expected: 1

Starter codePython

def contamination_rate(eval_items, train_items):
    # Your code here
    pass

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