text: #!/usr/bin/env python
  
  from functools import reduce;
  import sys;
  
  def fib(n):
      return reduce( lambda prev,this: prev+[ prev[-2]+prev[-1] ], \
                     range(1,n+1), \
                     [1,1] )
  
  print(fib(int(sys.argv[1]))[int(sys.argv[1])])
  