Python

Decorators

import time

def measure_time(function):
  def wrapper():
    start = time.time()
    result = function() # Nested functions have access to variables from parent function
    end = time.time()
    print(f"Time taken for to execute hello is {end - start} seconds")
    return result
  return wrapper


@measure_time
def hello(name):
  print("Hello", name)

hello("Python")

import time

def measure_time(function):
  def wrapper(*args, **kwargs): # <-- accepts arguments
    start = time.time()
    result = function(*args, **kwargs) # <-- Pass arguments to function i.e hello()
    end = time.time()
    print(f"Time taken for to execute hello is {end - start} seconds")
    return result
  return wrapper

@measure_time
def hello(name):
  print("Hello", name)

hello("Python")