In [25]:
def my_mean(input_list):
sum_list = 0
count_list = 0
for i in input_list:
sum_list += i
count_list += 1
return sum_list/count_list
In [29]:
input_list = [1,2,3,4,5,6,7,8]
my_mean(input_list)
Out[29]: