lista = [1,2,4,3,7,4,6,5,8,1,9,4,3]
def chunk(iteravel, n):
for i in range(0, len(iteravel), n):
yield iteravel[i:i+n]
s = map(lambda e:sum(e)/len(e), chunk(lista, 5))
print(*s)
bGlzdGEgPSBbMSwyLDQsMyw3LDQsNiw1LDgsMSw5LDQsM10KCmRlZiBjaHVuayhpdGVyYXZlbCwgbik6CiAgICBmb3IgaSBpbiByYW5nZSgwLCBsZW4oaXRlcmF2ZWwpLCBuKToKICAgICAgICB5aWVsZCBpdGVyYXZlbFtpOmkrbl0KCnMgPSBtYXAobGFtYmRhIGU6c3VtKGUpL2xlbihlKSwgY2h1bmsobGlzdGEsIDUpKQoKCnByaW50KCpzKSA=