closures in python
#!/usr/bin/env python
def make_counter():
count = 0
def inner():
nonlocal count
count += 1
return count
return inner
counter = make_counter()
c = counter()
print(c)
c = counter()
print(c)
c = counter()
print(c)closures in python
def print_msg(msg):
# This is the outer enclosing function
def printer():
# This is the nested function
print(msg)
return printer # returns the nested function
# Now let's try calling this function.
# Output: Hello
another = print_msg("Hello")
another()closures in python
# Python program to illustrate
# nested functions
def outerFunction(text):
text = text
def innerFunction():
print(text)
innerFunction()
if __name__ == '__main__':
outerFunction('Hey!')closures in python
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)))closures in python
def make_summer():
data = []
def summer(val):
data.append(val)
_sum = sum(data)
return _sum
return summerclosures in python
#!/usr/bin/env python
def main():
def build_message(name):
msg = f'Hello {name}'
return msg
name = input("Enter your name: ")
msg = build_message(name)
print(msg)
if __name__ == "__main__":
main()closures in python
def make_counter():
count = 0
def inner():
nonlocal count
count += 1
return count
return innerclosures in python
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")closures in python
#!/usr/bin/env python
def make_printer(msg):
msg = "hi there"
def printer():
print(msg)
return printer
myprinter = make_printer("Hello there")
myprinter()
myprinter()
myprinter()closures in python
#!/usr/bin/env python
def make_summer():
data = []
def summer(val):
data.append(val)
_sum = sum(data)
return _sum
return summer
summer = make_summer()
s = summer(1)
print(s)
s = summer(2)
print(s)
s = summer(3)
print(s)
s = summer(4)
print(s)Copyright © 2021 Codeinu
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