Average Agreement, Attempt 1

average_agreement.py

def average_agreement(list1, list2, max_depth):
     
    agreements = []
     
    for depth in range(1, max_depth+1):
        set1 = set(list1[:depth])
        set2 = set(list2[:depth])
         
        intersection = set1 & set2
         
        agreements.append(2 * len(intersection) / (len(set1) + len(set2)))
     
    return sum(agreements) / len(agreements)