input: Write a function to print the Fibonacci series up to n numbers where n is a user input. The function should take an integer n as input and print the series. If n is less than 1, the function should print nothing.
  def print_fibonacci_series(n):
      if n < 1:
          return
      a = 0
      b = 1
      print("Fibonacci Series:") 
      print(a, b, end=" ") 
        
      for i in range(2,n):
          c = a + b
          a = b
          b = c
          print(c, end = " ")
          
      print()
  
  assert print_fibonacci_series(10)
  assert print_fibonacci_series(5)
  assert print_fibonacci_series(1)
  assert print_fibonacci_series(0)
  assert print_fibonacci_series(-1)
output: def print_fibonacci_series(n):
      if n < 1:
          return
      a = 0
      b = 1
      print("Fibonacci Series:") 
      print(a, b, end=" ") 
        
      for i in range(2,n):
          c = a + b
          a = b
          b = c
          print(c, end = " ")
          
      print()