CodingBat Python Warmup-2 array123

Given an array of ints, return True if the sequence of numbers 1, 2, 3 appears in the array somewhere.

array123([1, 1, 2, 3, 1]) → True
array123([1, 1, 2, 4, 1]) → False
array123([1, 1, 2, 1, 2, 3]) → True

...Save, Compile, Run (ctrl-enter)

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Shorter output

Forget It! -- delete my code for this problem

Difficulty: 224.0