# how to change parent function's arguments in high order function in python

```
def make_repeater(f, n):
def a(x):
total = x
while n > 0:
total = f(total)
n -= 1
return total
return a
```

make_repeater(lambda x: x + 1, 3)(5)

get error: UnboundLocalError: local variable 'n' referenced before assignment

how to solve this problem?