# Fibonacci numbers module
def fib(n):
  """Print a Fibonacci series up to n."""
  a, b = 0, 1
  while b < n:
    print(b, end=' ')
    a, b = b, a+b
  print()

def fibList(n):
  """Return a list of Fibonacci numbers up to n."""
  result = []
  a,b, = 0,1
  while b < n:
    result.append(b)
    a,b = b,a+b
  return result
  
announce = "------> Module " + __name__ + " loaded. <-----"
print(announce)

if __name__ == "__main__":
  import sys
  fib(int(sys.argv[1]))