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 vote309 views1 answer
Ocaml returns the last element of a list
Python
28 votes322 views6 answers
Docker compose command not found
Python
30 votes312 views3 answers
Python read scv
Python
30 votes295 views3 answers
Console log heroku
Python
1 vote310 views1 answer
Series to numpy array
Python
0 vote300 views1 answer
Csrf token fetch django
Python Django
7 votes291 views4 answers
Python possible combinations
Python
0 vote327 views1 answer
Make blinking text python1
Python
60 votes310 views6 answers
Python remove letters from string
Python
40 votes381 views5 answers
Python print list as string
Python