how to remove first 3 items in list pytohn code example

Example 1: python pop front of list

>>> l = ['a', 'b', 'c', 'd']
>>> l.pop(0)
'a'
>>> l
['b', 'c', 'd']
>>>

Example 2: exclude first value of an array python

my_array=np.arange(10)
my_array[1:]