You walk up 12 steps, going up either 1 or 2 steps with each stride. There is a snake on the \( ... VIDEO
You walk up 12 steps, going up either 1 or 2 steps with each stride. There is a snake on the \( 8^{\text {th }} \) step, so you can not step there. Number of ways you can go up.https://bit.ly/YTAI_PWAP https://www.pw.live
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