Python recursion save value

def to_string(node):
    def actual_recursive(node):
        nonlocal a_str		# ~global, can modify surrounding function's scope.
        a_str += str(node.val)
        if node.next != None:
            actual_recursive(node.next)
    a_str = ''
    actual_recursive(node)
    return a_str

Source: stackoverflow.com

Similar codes

0 vote324 views2 answers
Axes color python
Python
0 vote306 views1 answer
Gtk entry focus python
Python
0 vote342 views1 answer
Python opendatasets
Python
5 votes350 views1 answer
UnicodeDecodeError: 'charmap' codec can't decode byte 0x9e in position 3359: character maps to <undefined>
Python
-2 votes349 views3 answers
Convertir code python en java
Python
4 votes385 views2 answers
Authentication views django
Python Django
15 votes404 views6 answers
Infinity python
Python
1 vote355 views1 answer
Set time complexity python
Python
0 vote344 views1 answer
Matplotlib pyplot comment on plot
Python
18 votes333 views9 answers
While loop
Python