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

5 votes266 views3 answers
How to calculate mean in python
Python
1 vote288 views1 answer
Kmeans sklearn
Python
3 votes281 views3 answers
How to add header in csv file in python
Python
1 vote277 views1 answer
Gonad
Python
0 vote269 views1 answer
Set path for another directory
Python
0 vote346 views1 answer
Inspect first 5 rows of dataframe
Python
0 vote249 views1 answer
Export high resolution .png matplotlib
Python
0 vote274 views1 answer
Python split string regular expression
Python
0 vote278 views1 answer
Loi normale python numpy
Python
31 votes273 views2 answers
Python requests
Python