Insert at first position of a list in Python [closed]
From the documentation:
list.insert(i, x)
Insert an item at a given position. The first argument is the index of the element before which to insert, soa.insert(0, x)inserts at the front of the list, anda.insert(len(a),x)is equivalent toa.append(x)
http://docs.python.org/2/tutorial/datastructures.html#more-on-lists