input: Write a function to print the first `n` numbers in the Fibonacci series. If `n` is less than or equal to 0, print an empty line.
  
  def printFibonacciSeries(n):
      if n <= 0:
          print()
          return
      
      f1, f2 = 0, 1
      print(f1, f2, end=" ")
      
      for i in range(2, n):
          next = f1 + f2
          print(next, end=" ")
          f1, f2 = f2, next
  
  assert printFibonacciSeries(5) == None
  assert printFibonacciSeries(0) == None
  assert printFibonacciSeries(1) == None
  assert printFibonacciSeries(10) == None
output: def printFibonacciSeries(n):
      if n <= 0:
          print()
          return
      
      f1, f2 = 0, 1
      print(f1, f2, end=" ")
      
      for i in range(2, n):
          next = f1 + f2
          print(next, end=" ")
          f1, f2 = f2, next