func_code: def maximum(s):
      if len(s) == 1:
          return s[0]
      else:
          maxi = maximum(s[1:])
          return l[0] if l[0] > maxi else maxi
annotation: def maximum(s):
      if len(s) == 1:
          return s[0]
      else:
          maxi = maximum(s[1:])
          return s[0] if s[0] > maxi else maxi
  