lesson_10_ear_16_17

# -*- coding: utf-8 -*-
"""
Use of nested lists
@authors: katkaranikola stkarlos
"""

def nested_list(m,n):
 l = []
 for i in range(0,m):
    k = []
    for j in range(0,n):
        x = raw_input("give 1 number: ")
        k.append(float(x))
    l.append(k)
 print l

 t =[]

 for i in range(0,len(l)):
    s = 0
    for j in range(0, len(l[i])):
         s = s + l[i][j]
    t.append(s)
 return t

k = nested_list(2,5)
print k