Many Turtles.
The ideas are borrowed from Redisovering Logo with Bob the Turtle, Ayush Sharma's amazing blog post!
import turtle
turtle.setup(width=800, height=800)
bob = turtle.Turtle(shape='turtle')
bob.color('orange')
bob.speed(3000)
alice = turtle.Turtle(shape='turtle')
alice.color('lawngreen')
alice.speed(3000)
for i in range(500):
bob.forward(i)
bob.left(91)
alice.backward(i)
alice.right(91)
turtle.exitonclick()
even more turtles
import turtle
turtle.setup(width=800, height=800)
bob = turtle.Turtle(shape='turtle')
bob.color('orange')
bob.speed(3000)
alice = turtle.Turtle(shape='turtle')
alice.color('lawngreen')
alice.speed(3000)
charlie = turtle.Turtle(shape='turtle')
charlie.color('deepskyblue')
charlie.speed(3000)
for i in range(500):
bob.forward(i)
bob.left(91)
alice.backward(i)
alice.right(91)
charlie.forward(i)
charlie.right(101)
turtle.exitonclick()
import turtle
turtle.setup(width=800, height=800)
bob = turtle.Turtle(shape='turtle')
bob.color('orange')
alice = turtle.Turtle(shape='turtle')
alice.color('lawngreen')
angle = 10
while True:
alice.backward(20)
bob.forward(20)
alice.right(angle)
bob.left(angle)
angle += 1
Again this is the same as in roblox's houses, you have the blueprint of the house, and you can create an instance of it, and then you can modify it. so turtle.Turtle() creates an instance, and then you see, bob, alice and charlie have their own changes. In the same time they have the same functionality, like forward up and etc coming from the blueprint and each of those methods work on the instance itself.
And lets discuss another text editor.
(if you are on windows make sure you pip3 install windows-curses)
Start super simple, what do we need to make a text editor? first we need to show the text being edited, and second we need to capture user input and modify this text.
First show some text:
import curses
import time
screen = curses.initscr()
screen.addstr(0, 0, "hello world",curses.A_NORMAL)
screen.refresh()
time.sleep(2)
Capture input and modify the text:
import curses
screen = curses.initscr()
text = ''
while True:
screen.addstr(0, 0, text,curses.A_NORMAL)
screen.refresh()
c = screen.getch()
text += chr(c)
In order to Read and Write the file we are editing, we need to have some control keys, like Ctrl+S to save, and Ctrl+C to quit without saving. Also we need to add support for backspace to be able to delete from the text string.
Hint: use text += str(c) to actually see the codes you need.
import curses
import sys
screen = curses.initscr()
curses.curs_set(2)
if len(sys.argv) != 2:
print("usage:")
print(sys.argv[0] + " filename")
sys.exit(1)
text = ''
try:
file = open(sys.argv[1],"r")
text = file.read()
file.close()
except:
pass
status = 'file: ' + sys.argv[1]
while True:
screen.clear()
screen.addstr(0, 0, status + ' (len: ' + str(len(text)) + ')',curses.A_NORMAL)
screen.addstr(2, 0, text,curses.A_NORMAL)
screen.refresh()
c = screen.getch()
if c == 3:
# quit Ctrl+C
break
if c == 19:
# save Ctrl+S
file = open(sys.argv[1],"w")
file.write(text)
file.close()
status = 'file: ' + sys.argv[1]
screen.addstr(0, 0, text,curses.A_NORMAL)
continue
if c == 8:
# backspace
if len(text) > 0:
text = text[:len(text)-1]
continue
if (c < 127 and c > 30) or c == 10:
text += chr(c)
status = 'file: ' + sys.argv[1] + " (modified)"
Search for your favorite lyrics, dont forget to pip3 install lyricsgenius
import lyricsgenius
genius = lyricsgenius.Genius('get api key from genius.com')
genius.verbose = False
while True:
artist = input("🔥 Artist: ")
song_name = input("🔥 Song: ")
song = genius.search_song(song_name, artist)
if song == None:
print(song_name + " / " + artist + " not found")
else:
print('-' * 40)
print(song.lyrics)
print('-' * 40)
Use https://github.com/ageitgey/face_recognition to see how easy it is to track people through a video stream only using 1 picture from them.
Recognize that if it is cheap and easy, it is done to you.
It will be done in the mall, to show you personalized ads, it will be done on the street to track where you go so they can sell you better things on tiktok.
They only need 1 picture.
If you are not paying, you are the product.
It is also not very easy to be tricked with mascara.
even thought it was easy in 2014, https://www.theatlantic.com/technology/archive/2014/07/makeup/374929/
Today you are on your own. We start with: https://www.amazon.de/-/en/DK/dp/1465461884 chapter 2, read it for 1 hour and make the programs and exercieses.
Write down your experience and what you struggle with.
Simple ping pong game
import pgzrun
import random
HEIGHT = 600
WIDTH = 600
elf = Actor('c1')
king = Actor('c2')
ball = Actor('bullet')
king.y = HEIGHT/2
elf.y = HEIGHT/2
elf.x = WIDTH-10
ball.x = WIDTH/2
ball.y = HEIGHT/2
d = 1
game_over = False
speed = 1
def update():
global d,game_over,speed
if keyboard.up:
elf.y -= 5
if keyboard.down:
elf.y += 5
if keyboard.S:
king.y += 5
if keyboard.W:
king.y -= 5
if ball.x < 0 or ball.x > WIDTH:
game_over = True
if d == 1:
ball.x += speed
else:
ball.x -= speed
if elf.colliderect(ball):
d = 0
ball.y = random.randint(10,HEIGHT-10)
speed += 1
if king.colliderect(ball):
d = 1
ball.y = random.randint(10,HEIGHT-10)
speed += 1
def draw():
screen.clear()
screen.fill("deepskyblue")
elf.draw()
king.draw()
ball.draw()
if game_over:
screen.fill('red')
pgzrun.go()
Scams.. Scams everywhere.
Our phone numbers, names, address are everywhere we have registered to buy something, be it bol.com, amazon, some random website we bought fidgets from, etc. So people can find out your number and name also by stealing your friends's contact list, Overall you must assume the bad guys have your information, so when you receive a call or email or even people talk to you on the street, always think sus.
Follow this list:
- Always Think Sus
- Call your parents
- If you cant reach your parents, call adult you know
- If you cant reach adult you know, go and find a mother with a child, they are the safest to talk to.
- If you can not find any adult to help hang up.
- If you think it is serious and you must act, hang up, and you call wherever they claim to be calling from. For example if they say they are from your bank, or from roblox, or fortnite, you google and find a contact for your bank/fortnite and you call them and ask what is going on.
The scammers are very smart, and have a lot of experience to trick you into doing what they want, sometimes they will call claiming your parents are in trouble and you have to give them a credit card number, sometimes they will call to tell you you win the new iPhone if you just give them a credit card number. They are very inventive as well, so the best thing is just think sus.
Hide and Seek
Ask someone to count to 10, then you hide, and ask him to find you
import pgzrun
import random
HEIGHT = 600
WIDTH = 600
elf = Actor('c1')
elf.x = 20
elf.y = random.randint(0,HEIGHT)
def update():
if keyboard.UP:
elf.y -= 5
if keyboard.DOWN:
elf.y += 5
if keyboard.RIGHT:
elf.x += 5
if keyboard.LEFT:
elf.x -= 5
def draw():
elf.draw()
pgzrun.go()
Practice walking over a list with for i in range(len(x)) and for item in x.
import pgzrun
import random
HEIGHT = 600
WIDTH = 600
elf = Actor('c1')
king = Actor('c2')
elf.x = 20
elf.y = random.randint(0,HEIGHT)
king.y = random.randint(0,HEIGHT)
king.x = WIDTH-20
things = []
def add_new_obsticle(l):
image = random.choice(["snake","bullet","flower","rock"])
x = Actor(image)
x.x = random.randint(0,WIDTH)
x.y = random.randint(0,HEIGHT)
l.append(x)
for i in range(10):
add_new_obsticle(things)
def update():
if keyboard.UP:
elf.y -= 5
if keyboard.DOWN:
elf.y += 5
if keyboard.RIGHT:
elf.x += 5
if keyboard.LEFT:
elf.x -= 5
if keyboard.W:
king.y -= 5
if keyboard.S:
king.y += 5
if keyboard.D:
king.x += 5
if keyboard.A:
king.x -= 5
for s in range(len(things)):
if things[s].colliderect(elf):
elf.image = things[s].image
if king.colliderect(elf):
king.image = "c3"
def draw():
screen.fill('azure')
king.draw()
elf.draw()
for thing in things:
thing.draw()
pgzrun.go()