new_contents: #!/usr/bin/env python2
  
  
  def fbncc(n):
      str = ""
      if n == 1:
          print "1"
          return
      if n == 2:
          print "1 1"
          return
      s = 1
      ss = 1
      str = "{:d} {:d}".format(s,s)
      for x in range(3, n+1):
        v = ss + s
        str = str + " {:d}".format(v)
        ss = s
        s = v
      print str
      return
  
  
  if __name__ == "__main__":
      number = input("Insert a number: ")
      if int(number) != number:
          print "{:s} is not valid.".format(number)
          exit(1)
      fbncc(number)
  
subject: Create fbncc.py