8.1

# #!/usr/bin/python
#
# By dvdjaco
# Exercise 8.1
#
# Write a function called chop that takes a list and modifies it, removing the first  and last elements, and returns None.
# Then write a function called middle that takes a list and returns a new list that contains all but the first and last elements.

def chop(l):
    del l[0]
    del l[len(l)-1]
    return None

def middle(l):
    return l[1:len(l)-1]

l = [10,11,12,13,14]
print l
chop(l)
print l

l = [10,11,12,13,14]
print l
print middle(l)