import time

start = time.perf_counter()

def do_something():
    print(f'Sleeping 1 second...')
    time.sleep(1)
    print(f'Done Sleeping...')


do_something()
do_something()

finish = time = time.perf_counter()

print(f'Finished in {round(finish-start, 2)} seconds(s)')




import threading
import time

start = time.perf_counter()

def do_something():
    print(f'Sleeping 1 second...')
    time.sleep(1)
    print(f'Done Sleeping...')

t1 = threading.Thread(target=do_something)
t2 = threading.Thread(target=do_something)

t1.start()
t2.start()

t1.join()
t2.join()

finish = time.perf_counter()

print(f'Finished in {round(finish-start, 2)} seconds(s)')





import threading
import time

start = time.perf_counter()

def do_something():
    print(f'Sleeping 1 second...')
    time.sleep(1)
    print(f'Done Sleeping...')

threads = []

for _ in range(10):
    t = threading.Thread(target=do_something)
    t.start()
    threads.append(t)

for thread in threads:
    thread.join()

finish = time.perf_counter()

print(f'Finished in {round(finish-start, 2)} seconds(s)')





import threading
import time

start = time.perf_counter()

def do_something(seconds):
    print(f'Sleeping {seconds} second(s)...')
    time.sleep(seconds)
    print(f'Done Sleeping...')

threads = []

for _ in range(10):
    t = threading.Thread(target=do_something, args = [1.5])
    t.start()
    threads.append(t)

for thread in threads:
    thread.join()

finish = time.perf_counter()

print(f'Finished in {round(finish-start, 2)} seconds(s)')




import concurrent.futures
import time

start = time.perf_counter()

def do_something(seconds):
    print(f'Sleeping {seconds} second(s)...')
    time.sleep(seconds)
    return 'Done Sleeping...'


with concurrent.futures.ThreadPoolExecutor() as executor:

    f1 = executor.submit(do_something, 1)
    f2 = executor.submit(do_something, 1)

    print(f1.result())
    print(f2.result())

finish = time.perf_counter()

print(f'Finished in {round(finish-start, 2)} seconds(s)')





import concurrent.futures
import time

start = time.perf_counter()

def do_something(seconds):
    print(f'Sleeping {seconds} second(s)...')
    time.sleep(seconds)
    return 'Done Sleeping...'


with concurrent.futures.ThreadPoolExecutor() as executor:
    results = [executor.submit(do_something, 1) for _ in range(10)]

for f in concurrent.futures.as_completed(results):
    print(f.result())

finish = time.perf_counter()

print(f'Finished in {round(finish-start, 2)} seconds(s)')




import concurrent.futures
import time

start = time.perf_counter()

def do_something(seconds):
    print(f'Sleeping {seconds} second(s)...')
    time.sleep(seconds)
    return f'Done Sleeping...{seconds}'


with concurrent.futures.ThreadPoolExecutor() as executor:
    secs = [5, 4, 3, 2, 1]
    results = [executor.submit(do_something, sec) for sec in secs]

for f in concurrent.futures.as_completed(results):
    print(f.result())

finish = time.perf_counter()
print(f'Finished in {round(finish-start, 2)} seconds(s)')




import concurrent.futures
import time

start = time.perf_counter()

def do_something(seconds):
    print(f'Sleeping {seconds} second(s)...')
    time.sleep(seconds)
    return f'Done Sleeping...{seconds}'


with concurrent.futures.ThreadPoolExecutor() as executor:
    secs = [5, 4, 3, 2, 1]
    results = executor.map(do_something, secs)

for result in results:
    print(result)

finish = time.perf_counter()
print(f'Finished in {round(finish-start, 2)} seconds(s)')




import requests
import time

img_urls = [
    'https://images.unsplash.com/photo-1516117172878-fd2c41f4a759',
    'https://images.unsplash.com/photo-1532009324734-20a7a5813719',
    'https://images.unsplash.com/photo-1524429656589-6633a470097c',
    'https://images.unsplash.com/photo-1530224264768-7ff8c1789d79',
    'https://images.unsplash.com/photo-1564135624576-c5c88640f235',
    'https://images.unsplash.com/photo-1541698444083-023c97d3f4b6',
    'https://images.unsplash.com/photo-1522364723953-452d3431c267',
    'https://images.unsplash.com/photo-1513938709626-033611b8cc03',
    'https://images.unsplash.com/photo-1507143550189-fed454f93097',
    'https://images.unsplash.com/photo-1493976040374-85c8e12f0c0e',
    'https://images.unsplash.com/photo-1504198453319-5ce911bafcde',
    'https://images.unsplash.com/photo-1530122037265-a5f1f91d3b99',
    'https://images.unsplash.com/photo-1516972810927-80185027ca84',
    'https://images.unsplash.com/photo-1550439062-609e1531270e',
    'https://images.unsplash.com/photo-1549692520-acc6669e2f0c'
]

t1 = time.perf_counter()

for img_url in img_urls:
    img_bytes = requests.get(img_url).content
    img_name = img_url.split('/')[3]
    img_name = f'{img_name}.jpg'
    with open(img_name, 'wb') as img_file:
        img_file.write(img_bytes)
        print(f'{img_name} was downloaded...')

t2 = time.perf_counter()

print(f'Finished in {round(t2-t1,4)} seconds')




import requests
import time
import concurrent.futures

img_urls = [
    'https://images.unsplash.com/photo-1516117172878-fd2c41f4a759',
    'https://images.unsplash.com/photo-1532009324734-20a7a5813719',
    'https://images.unsplash.com/photo-1524429656589-6633a470097c',
    'https://images.unsplash.com/photo-1530224264768-7ff8c1789d79',
    'https://images.unsplash.com/photo-1564135624576-c5c88640f235',
    'https://images.unsplash.com/photo-1541698444083-023c97d3f4b6',
    'https://images.unsplash.com/photo-1522364723953-452d3431c267',
    'https://images.unsplash.com/photo-1513938709626-033611b8cc03',
    'https://images.unsplash.com/photo-1507143550189-fed454f93097',
    'https://images.unsplash.com/photo-1493976040374-85c8e12f0c0e',
    'https://images.unsplash.com/photo-1504198453319-5ce911bafcde',
    'https://images.unsplash.com/photo-1530122037265-a5f1f91d3b99',
    'https://images.unsplash.com/photo-1516972810927-80185027ca84',
    'https://images.unsplash.com/photo-1550439062-609e1531270e',
    'https://images.unsplash.com/photo-1549692520-acc6669e2f0c'
]

t1 = time.perf_counter()

def download_image(img_url):
    img_bytes = requests.get(img_url).content
    img_name = img_url.split('/')[3]
    img_name = f'{img_name}.jpg'
    with open(img_name, 'wb') as img_file:
        img_file.write(img_bytes)
        print(f'{img_name} was downloaded...')

with concurrent.futures.ThreadPoolExecutor() as executor:
    executor.map(download_image, img_urls)

t2 = time.perf_counter()

print(f'Finished in {round(t2-t1,4)} seconds')