python lits again

#!/usr/bin/python

a = [1, 2, 3, 33, 123, 111]
print a
print "total element's len: ",len(a)

a.insert(2, -1) """insert in second place value - -1"""
a.append(666) """append 666 to list"""
print a, len(a)

data = raw_input("enter something: ")

a.append(data) """append from variable"""
print a, len(a)

print "sorting"
a.sort() """sorting the list"""
print a