MUMS numbers game solver

solve.py

from itertools import combinations, combinations_with_replacement, permutations
from operator import add, sub, mul, truediv

target = 888
numbers = (75, 25, 9, 8, 7, 6)
operations = (add, sub, mul, truediv)

def evaluation_tree(operators, numbers):
    #       op0
    #     /    \
    #    /     op1
    #   /     /   \
    # op2   op3   op4
    # / \   / \   / \
    #n0 n1 n2 n3 n4 n5
    try:
        leaf2 = operators[2](numbers[0], numbers[1])
        leaf3 = operators[3](numbers[2], numbers[3])
        leaf4 = operators[4](numbers[4], numbers[5])
        leaf1 = operators[1](leaf3, leaf4)
        leaf0 = operators[0](leaf2, leaf1)
        return leaf0
    except ZeroDivisionError:
        return None

for sel_operators in combinations_with_replacement(operations, 5):
    for operators in permutations(sel_operators, 5):
        for number in permutations(numbers, 6):
            result = evaluation_tree(operators, number)
            if result == target:
                print('One solution: %s with %s gives %s' % (str(operators), str(number), str(result)))