Solution to problem 1.

#Program: searchInventory.py
#Author: Brenda Student
#Class: CSCI 110
#Date: 2/22/11
#Assignment: Lab 4
#Purpose: Find the number of occurrences of an item in a list.

inventory = ["gold coins", "axe", "healing potion", "axe", "shield", "lantern"]

item = raw_input("What item would you like to search for? ")
itemCount = 0

for x in inventory:
    if x == item:
        itemCount = itemCount + 1

if itemCount == 1:
    print "You have 1 " + item + "."
else:
    print "You have", itemCount, item + "s."

Solution to problem 2.

#Program: addEvens.py
#Author: Brenda Student
#Class: CSCI 110
#Date: 2/22/11
#Assignment: Lab 4
#Purpose: Sum the even numbers from 2 to a high number.

print "This program sums all the even numbers up to a given number."
highNum = input("What is the highest number you would like to add? ")
total = 0
print "The numbers are: "
for x in range(2, highNum + 1, 2):
    print x
    total = total + x

print "The total is:", total

Solution to problem 3.

#Program: timesTwo.py
#Author: Brenda Student
#Class: CSCI 110
#Date: 2/22/11
#Assignment: Lab 4
#Purpose: Multiply each item in a list by 2

theList = [1, 3, 17, 5, 6, 14]

print "The values in the list are: "
for i in theList:
    print i

for x in range(len(theList)):
    theList[x] = theList[x] *2

print "The doubled list is: "

for i in theList:
    print i