Discussion on: Daily Challenge #213 - Are they the "same"?

def comp(a: list, b: list) -> bool:
    flag = False
    if a == None or b == None:
        return flag
    elif len(a) == 0 and len(b) == 0:
        return True
    for val_a in a:
        flag = False
        for ind_b, val_b in enumerate(b):
            if val_a*val_a == val_b and flag == False:
                b.pop(ind_b)
                flag = True
    if len(b) == 0:
        return flag
    else:
        return False