python clear only part of list code example
Example 1: clear python list
your_list = [1,2,3,4,5,6,7,8,9,10]
your_list.clear() #List becomes [] empty
Example 2: how to delete lists after using them in python
lst = ['i1', 'i2', 'i3']
lst.clear() #clears the contents of list
#lst[:] can also be used
#fastest is lst *= 0