def trim(s): c = list(s)

if len(c) == 0:

    return 'meiyou'

mymax = s[0]

mymix = s[0]

for i in s[1:]:

  if mymax < i:

     mymax = i

  elif mymix > i:

       mymix = i


return mymax,mymix

s = 1,2,3,4,5

b = trim(s)

print(b)