words = ["alpha","omega","up","down","over","under","purple","red","blue","green"]
#GET LONGEST WORD
max(words, key=len)
>>> 'purple'
#GET SHORTEST WORD
min(words, key=len)
>>> 'up'
def findShortest(lst):
length = len(lst)
short = len(lst[0])
ret = 0
for x in range(1, length):
if len(lst[x]) < short:
short = lst[x]
ret = x
return x # return the index of the shortest sentence in the list