input: Write a function to print the Fibonacci series up to n numbers. The function should take an integer n as input and print out the first n Fibonacci numbers. If n is 0 or negative, the function should print an empty line.
  
  def printFibonacciSeries(n): 
      if n <= 0:
          print()
          return
  
      # Taking 1st two Fibonacci numbers as 0 and 1 
      f1 = 0
      f2 = 1
      print(f1, f2, end = " ") 
    
      for i in range(2, n): 
          next = f1 + f2 
          print(next, end = " ") 
    
          # Update values 
          f1 = f2 
          f2 = next
  
  assert printFibonacciSeries(5) == "0 1 1 2 3"
  assert printFibonacciSeries(0) == ""
  assert printFibonacciSeries(-1) == ""
  assert printFibonacciSeries(1) == "0"
  assert printFibonacciSeries(2) == "0 1"
output: def printFibonacciSeries(n): 
      if n <= 0:
          print()
          return
  
      f1 = 0
      f2 = 1
      print(f1, f2, end = " ") 
    
      for i in range(2, n): 
          next = f1 + f2 
          print(next, end = " ") 
    
          f1 = f2 
          f2 = next