decorator python
def our_decorator(func):
def function_wrapper(x):
print("Before calling " + func.__name__)
func(x)
print("After calling " + func.__name__)
return function_wrapper
@our_decorator
def foo(x):
print("Hi, foo has been called with " + str(x))
foo("Hi")python decorators
# decorators are user to decorate functions like what to do before/after calling the function
import time
def delay_decorator(function):
def wrapper_function():
print("-----------------------I am gonna greet you--------------------------")
time.sleep(2)# waits for 2 seconds
function() # calls the function
time.sleep(1)# waits for 1 sec
print("------------------How do you feel about that greet?-------------------")
return wrapper_function
@delay_decorator
def greet():
print("Helllllloooooooooo")
greet()decorators in python
#This function take user input for list and returns a tuple cotaining 2 lists
#one of even numbers another of odd numbers
def deco(function):
def wrap(lst):
even = []
odd = []
for i in lst:
if i % 2 == 0:
even.append(i)
else:
odd.append(i)
return even,odd
function(lst)
return wrap
@deco
def display(lst):
print(lst)
a = [int(x) for x in input("Enter number of elements : ").split(",")]
print(display(a))Copyright © 2021 Codeinu
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