f = open('nvccSalaryList.txt', 'r+')
('nvccSalaryList.txt', 'r+')
ln = f.readline()
usd_list = []
while ln != '':
if ln.find('$') != -1:
usd_list.append(tuple(ln.split('$'))) #convert the list returned by .split() to a tuple and append it to the list
ln = f.readline()
sorted(usd_list, key=lambda usd: usd[1]) #sort by the second member in each tuple (the money)
f2 = open('sortedNvccSalaryList.txt', 'r+')
f2.write(str(usd_list))