Given a set of n steps. A person can climb one or two steps at a time. Find the number of ways in which one can reach the nth step. (Easy stuff.. I probably wasn't doing good by this time)

Given a set of n steps. A person can climb one or two steps at a time.

1.	Given a set of n steps. A person can climb one or two steps at a time. Find the number of ways in which one can reach the nth step. (Easy stuff.. I probably wasn't doing good by this time)
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