def print_msg(msg):
# This is the outer enclosing function
def printer():
# This is the nested function
print(msg)
printer()
# We execute the function
# Output: Hello
print_msg("Hello")
def print_msg(msg):
# This is the outer enclosing function
def printer():
# This is the nested function
print(msg)
return printer # this got changed
# Now let's try calling this function.
# Output: Hello
another = print_msg("Hello")
another()
>>> del print_msg
>>> another()
Hello
>>> print_msg("Hello")
Traceback (most recent call last):
...
NameError: name 'print_msg' is not defined
def make_multiplier_of(n):
def multiplier(x):
return x * n
return multiplier
# Multiplier of 3
times3 = make_multiplier_of(3)
# Multiplier of 5
times5 = make_multiplier_of(5)
# Output: 27
print(times3(9))
# Output: 15
print(times5(3))
# Output: 30
print(times5(times3(2)))
>>> make_multiplier_of.__closure__ >>> times3.__closure__ (<cell at 0x0000000002D155B8: int object at 0x000000001E39B6E0>,)
>>> times3.__closure__[0].cell_contents 3 >>> times5.__closure__[0].cell_contents 5
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