from operator import *
a = [0, 3, 1, 6, 2, 9, 4, 7, 3]
b = ['x', 'b', 'a', 'z', 'c', 'y']
c = ['css', 'html', 'python', 'php', 'java', 'c++']
delitem(a, slice(1, 3))
print(a)
delitem(b, slice(0, 2))
print(b)
delitem(c, slice(3, 5))
print(c)
'''
run:
[0, 6, 2, 9, 4, 7, 3]
['a', 'z', 'c', 'y']
['css', 'html', 'python', 'c++']
'''