# Given an array of ints, return True if 6 appears as either the first
# or the last element in the array.

def first_last6(nums):
    return (nums[0] == 6 or nums[-1] == 6)


print(first_last6([1, 2, 6]))
print(first_last6([6, 1, 2, 3]))
print(first_last6([13, 6, 2, 3]))
