def main():
f = 'input'
product = 1
slopes = [[1, 1], [3, 1], [5, 1], [7, 1], [1, 2]]
for slope in slopes:
product *= traverse_slope(f, slope[0], slope[1])
print("Result: {}".format(product))
def test_traverse_slope31_with_test_input():
f = 'input_test'
assert traverse_slope(f, 3, 1) == 7
def main():
f = 'input'
result = traverse_slope(f, 3, 1)
print("Result: {}".format(result))
def test_traverse_slope12_with_test_input():
f = 'input_test'
assert traverse_slope(f, 1, 2) == 2