MapReduce Python Class

map_reduce.py

# I don't know whether this is valuable or meaningful, but it seems interesting.

class MR:
  def process(self,the_list,the_map_function,the_reduce_function,the_initial_value):
    return reduce(the_reduce_function, map(the_map_function, the_list), the_initial_value)

def sum1(x):
  return MR().process(x, (lambda x: x), (lambda x,y: x+y), 0)

def len1(x):
  return MR().process(x, (lambda x: 1), (lambda x,y: x+y), 0)

def avg(x):
  return sum1(x)/len1(x)