a[len(a):]a[len(a):] - This gets you the length of a to the end. It selects a range. If you reverse a[:len(a)]a[:len(a)] it will get you the beginning to whatever is len(a)len(a).
a[len(a):] - This gets you the length of a to the end. It selects a range. If you reverse a[:len(a)] it will get you the beginning to whatever is len(a).
a[len(a):] - This gets you the length of a to the end. It selects a range. If you reverse a[:len(a)] it will get you the beginning to whatever is len(a).
a[len(a):] - This gets you the length of a to the end. It selects a range. If you reverse a[:len(a)] it will get you the beginning to whatever is len(a).
