Python nonlocal

Python access global variable

globvar = 0

def set_globvar_to_one():
    global globvar    # Needed to modify global copy of globvar
    globvar = 1

def print_globvar():
    print(globvar)     # No need for global declaration to read value of globvar

set_globvar_to_one()
print_globvar()       # Prints 1

Source: stackoverflow.com

Python nonlocal

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

2 votes176 views3 answers
Torch.stack example
Python
1 vote229 views1 answer
Choose random file from directory
Python
0 vote174 views1 answer
How to find index of list of list in python
Python
0 vote266 views1 answer
Superpixel
Python
0 vote176 views1 answer
Django insert bulk data
Python
1 vote181 views1 answer
Django form list option
Python
0 vote185 views1 answer
Pandas select only columns with na
Python
1 vote221 views1 answer
Django model query join
Python Django
75 votes242 views6 answers
How to reverse string in python
Python
1 vote187 views1 answer
Python script to sort file content
Python