```
Whats wrong
def median(lst):
lst.sort()
k = len(lst)
l = k/2
if k % 2 != 0 :
return lst[l]
else:
return (lst[l-1] + lst[l])/2
```

# 15. median

**randonuser**#3

you're using l in "return lst[l]"

If a list is length of 7, l would be equal to 3.5

there is no such index within an array equal to a decimal.

try the following

```
import math
def median(list):
list.sort()
list_len = len(list)
middle = math.floor(list_len / 2)
[your if/else]
```

math.floor will take X.Y and strip away the .Y leaving you with X so instead of 1.5, you get 1

I already solve that and this is my code who worked great

def median(lst):

lst.sort()

k = len(lst)

l = k/2

if k % 2 != 0 :

return lst[l]

else:

return (lst[l-1] + lst[l])/2.0

and Thank you

**system**#5

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