https://youtu.be/Zr9fpVThQjE. Check out this video this video.I gave a clear explanation about most complex algorithm in computer science

⚠️Code for this Video: def knapsack(Capacity, weights, profits, n):
if(n==0 or Capacity==0):
return 0
if(weights[n-1]>Capacity):
return knapsack(Capacity, weights, profits, n-1)
else:
return max(profits[n-1]+knapsack(Capacity-weights[n-1], weights, profits, n-1), knapsack(Capacity,weights, profits, n-1))
print('Enter the profits:')
profits=list(map(int,input().split(' ')))
print('Enter the weights:')
weights=list(map(int,input().split(' ')))
Capacity=int(input('Enter the maximum capacity:'))
n=len(weights)
print(knapsack(Capacity, weights, profits, n))

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https://youtu.be/ZXX30OLjaD8

Next video: How to create a fidget spinner using python [ Share & Support ❤️ ]

Guys check the video is out now..!

from turtle import *

state = {'turn': 0}

def spinner():
"Draw fidget spinner."
clear()
angle = state['turn'] / 10
left(angle)
forward(100)
dot(120, 'red')
back(100)
left(120)
forward(100)
dot(120, 'red')
back(100)
left(120)
forward(100)
dot(120, 'red')
back(100)
left(120)
update()

def animate():
"Animate fidget spinner."
if state['turn'] > 0:
state['turn'] -= 1

spinner()
ontimer(animate, 20)

def flick():
"Flick fidget spinner."
state['turn'] += 50
tracer(False)
width(20)
onkey(flick, 'space')
listen()
animate()
done()

Code for Fidget spinner ❤️[ Share & support ]

https://youtu.be/BKwnOOs0ml8. Guys video out now 🙋

from turtle import *
from random import randrange
from freegames import square, vector

food = vector(0, 0)
snake = [vector(10, 0)]
aim = vector(0, -10)

def change(x, y):
"Change snake direction."
aim.x = x
aim.y = y

def inside(head):
"Return True if head inside boundaries."
return -200 < head.x < 190 and -200 < head.y < 190

def move():
"Move snake forward one segment."
head = snake[-1].copy()
head.move(aim)

if not inside(head) or head in snake:
square(head.x, head.y, 9, 'red')
update()
return

snake.append(head)

if head == food:
print('Snake:', len(snake))
food.x = randrange(-15, 15) * 10
food.y = randrange(-15, 15) * 10
else:
snake.pop(0)

clear()

for body in snake:
square(body.x, body.y, 9, 'green')

square(food.x, food.y, 9, 'red')
update()
ontimer(move, 100)


hideturtle()
tracer(False)
listen()
onkey(lambda: change(10, 0), 'Right')
onkey(lambda: change(-10, 0), 'Left')
onkey(lambda: change(0, 10), 'Up')
onkey(lambda: change(0, -10), 'Down')
move()
done()

Code for snake game [ Share our channel ❤️ ]

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import psutil

battery = psutil.sensors_battery()
percent = battery.percent
from pynotifier import Notification

Notification(
title="Battery Percentage.",
description=str(percent) + "% Battery remaining.",
duration=5, # Duration in seconds
).send()

Code for battery notifier sorry for the delay 👍

https://youtu.be/QSulg-2mEnU.

import COVID19Py

covid19 = COVID19Py.COVID19(data_source="jhu")
latest = covid19.getLatest()

from pynotifier import Notification

Notification(
title="Today COVID 19 News updates.",
description=str(latest),
duration=30, # Duration in seconds
).send()