L=[]
print 'please input five number'
i=0
while i<5:
n=int(raw_input('Enter your number:'))
L.append(n)
i+=1
print L
print 'Now,you can select them'
print 'summation averages exit'
#www.iplaypy.com
go=True
while go:
s=raw_input('I will:')
if s=='summation':
print sum(L)
elif s=='averages':
print sum(L)/len(L)
elif s=='exit':
go=False
print 'Done'
else:
print 'Not have options'