# global
# 1、 Declare in the local scope （ establish ） A global variable
name = 'hello'
def func1():
name = 'ait'
print(name) # ait
func1()
print(name) # hello
def func1():
global name1
name1 = 'ait'
print(name1) # ait
func1()
print(name1) # ait
# 2、 Modify global variables
count = 1
def func3():
global count
count += 1
return count
print(func3()) # 2
# nonlocal
# 1、 Cannot manipulate global variables
""" count = 1 def func3(): nonlocal count count += 1 return count print(func3()) # Report errors """
# 2、 Local scope ： The inner function modifies the local variables of the outer function .
""" def wrapper(): count = 1 def inner(): count += 1 # Report errors , Local can only reference global variables , Do not modify ; A small scope can only refer to a large scope , Do not modify inner() wrapper() """
def wrapper():
count = 1
def inner():
nonlocal count
count += 5
inner()
return count
print(wrapper()) # 6
