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

-3 votes324 views6 answers
Python 3.3 release date
Python
1 vote337 views1 answer
How to send json in django response
Python
22 votes329 views6 answers
String palindrome in python
Python
22 votes337 views4 answers
Random letters generator python
Python
0 vote304 views1 answer
Python requests ignore SSL
Python
0 vote327 views2 answers
Find index of null values pandas
Python
2 votes287 views2 answers
Python include another python file
Python
3 votes276 views1 answer
How to check for a particular word in a text file using python
Python
0 vote284 views2 answers
Call shell script from python
Python
-2 votes317 views1 answer
Start django project in windows
Python