Write a python function to check whether a given sequence is linear or not.
def Seq_Linear(seq_nums):
  seq_nums = [seq_nums[x] - seq_nums[x-1] for x in range(1, len(seq_nums))]
  if len(set(seq_nums)) == 1: 
    return "Linear Sequence"
  else:
    return "Non Linear Sequence"