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

8 votes154 views3 answers
Calculate euclidian distance python
Python
2 votes154 views1 answer
Flask import jsonify
Python
0 vote154 views1 answer
Python how to convert csv to array
Python
2 votes178 views1 answer
Python backslash in string
Python
0 vote113 views1 answer
Are there learning activities for django-debug-toolbar
Python
7 votes199 views3 answers
How to delete migrations in django
Python Django
1 vote114 views1 answer
Best live score api
Python
18 votes156 views6 answers
Turtle python
Python
0 vote163 views2 answers
Crontab python script
Python
1 vote143 views1 answer
Procfile for flask app
Python Flask