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 vote156 views1 answer
Flask session auto logout in 5 mins
Python
0 vote135 views1 answer
Destroy label tkinter
Python
0 vote141 views1 answer
Pandas row printed horizontally
Python
7 votes131 views1 answer
Float to percentage python
Python
1 vote150 views1 answer
Tkinter center frame
Python
0 vote145 views1 answer
Huggingface transformers change download path
Python
6 votes140 views3 answers
Pd df to series
Python
0 vote156 views1 answer
How to add another timestamp column plus two hours
Python
0 vote133 views1 answer
How to loop through every character in a string
Python
16 votes157 views4 answers
Dataframe find nan rows
Python