# 1.19

symbols = 'HPQ,AAPL,IBM,MSFT,YHOO,DOA,GOOG'

symlist = symbols.split(',')

print(symlist)

symlist[2] = 'AIG'

print(symlist)

mysyms = []

mysyms.append('NOKIA')

symlist[-2:] = mysyms

print(symlist)

# 1.20

for s in symlist:

print(s)

# 1.21

print('NOKIA' in symlist)

print('DELL' not in symlist)

# 1.22

symlist.append('RHT')

symlist.insert(1,'AA')

symlist.append('YHOO')

print(symlist)

print(symlist.index('YHOO'))

print(symlist.count('YHOO'))

symlist.remove('YHOO')

print(symlist)

# 1.23

symlist.sort()

print(symlist)

symlist.sort(reverse=True)

print(symlist)

# 1.24

a = ', '.join(symlist)

print(a)

# 1.25

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

items = ['spam', a, nums]

print(items)

print(items[1]) # string a

print(items[2][3]) #4

print(items[1][11:15]) # NOKI