numberOfSteps = int(input("Please Enter the number of stairs: ")) # Getting input for number of stairs # Returns no. of ways to reach the stairs def climbStairs(numberOfSteps): return fib(numberOfSteps + 1) # fib sequence used for calculations def fib(n): if n <= 1: return n return fib(n - 1) + fib(n - 2) # printing the final answer print( "Number of ways are = " , climbStairs(numberOfSteps))
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