exercise 10.2 - chop

"""===========================

exercise 10.2

==========================="""

def chop (a_list):

    del a_list[0] #remove first element

    del a_list[-1] #remove last element

    

test = [1,2,3,4,5,]

chop(test)

print test

test2 = [6,7,8,9,10]

def middle(a_list):

    new_list = a_list[1:-1]

    return new_list

practice = middle(test2)

print practice

exercise 10.1

"""===========================

exercise 10.1

==========================="""

def cumul_sum(original):

    new = []

    running_total = 0

    

    for number in original:

        running_total = running_total + number

        new.append(running_total)

    

    return new

old_list = [1,2,3]

print old_list

new_list = cumul_sum(old_list)

print new_list