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python variable scope

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MitroGr answered on May 20, 2020 Popularity 10/10 Helpfulness 3/10

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a = 5

def f1():
  a = 2
  print(a)
  
print(a)   # Will print 5
f1()       # Will print 2

Popularity 10/10 Helpfulness 3/10 Language python

Source: www.codecademy.com

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Contributed on May 20 2020

MitroGr

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# Change global variable value in local scope

global global_var
global_var = other_val ** 2

# Change outer function variable value in inner function of a nested function
# nonlocal variables are the variables that reside in parent function in a nested function
nonlocal outer_var
outer_var = 2

# Presedence : Local > Enclosing > Global > Built-in

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Contributed on Nov 19 2023

Innocent Iguana

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Python scope

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# Variables have different levels of scope. Some include global and local scopes.

myVar = 5 # This is a global variable. It is not in any functions.

def myFunc():
  # global myVar
  
  myVar = 10 # This is a local variable

myFunc() # Runs myFunc
print(myVar) # Prints 5. The local variable in myFunc did not change the value of myVar.
# If you added 'global myVar' in myFunc, myVar would be changed to 10.

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Source: www.codegrepper.com

Tags: python py

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Contributed on Apr 21 2022

Ninja Penguin

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Python Scope

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def myfunc():
  x = 200
  print(x)

myfunc() #works
#print(x) does not work
#as a rule, you can use a variable more "outside" than you but you cannot use a variable more "inside".

Popularity 9/10 Helpfulness 1/10 Language python

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Tags: python py

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Contributed on Jun 29 2022

Javasper

0 Answers Avg Quality 2/10

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