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return multiple values from a function

Jun 1, 2023CodeCatch
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AnyTree Randomizer

Apr 15, 2021NoahEaton

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import anytree as at
import random as rm
# Generate a tree with node_count many nodes. Each has a number key that shows when it was made and a randomly selected color, red or white.
def random_tree(node_count):
# Generates the list of nodes
nodes = []
for i in range(node_count):
test = rm.randint(1,2)
if test == 1:
nodes.append(at.Node(str(i),color="white"))
else:
nodes.append(at.Node(str(i),color="red"))
#Creates the various main branches
for i in range(node_count):
for j in range(i, len(nodes)):
test = rm.randint(1,len(nodes))
if test == 1 and nodes[j].parent == None and (not nodes[i] == nodes[j]):
nodes[j].parent = nodes[i]
#Collects all the main branches into a single tree with the first node being the root
for i in range(1, node_count):
if nodes[i].parent == None and (not nodes[i] == nodes[0]):
nodes[i].parent = nodes[0]
return nodes[0]

convert bytes to a string

Jun 1, 2023CodeCatch

0 likes • 3 views

bytes_data = b'Hello, World!'
string_data = bytes_data.decode('utf-8')
print("String:", string_data)

clamp number

Nov 19, 2022CodeCatch

0 likes • 3 views

def clamp_number(num, a, b):
return max(min(num, max(a, b)), min(a, b))
clamp_number(2, 3, 5) # 3
clamp_number(1, -1, -5) # -1

sum of powers

Nov 19, 2022CodeCatch

0 likes • 16 views

def sum_of_powers(end, power = 2, start = 1):
return sum([(i) ** power for i in range(start, end + 1)])
sum_of_powers(10) # 385
sum_of_powers(10, 3) # 3025
sum_of_powers(10, 3, 5) # 2925

UNT CSCE 2100 Question 1

Nov 18, 2022AustinLeath

0 likes • 8 views

#question1.py
def rose(n) :
if n==0 :
yield []
else :
for k in range(0,n) :
for l in rose(k) :
for r in rose(n-1-k) :
yield [l]+[r]+[r]
def start(n) :
for x in rose(n) :
print(x) #basically I am printing x for each rose(n) file
print("starting program: \n")
start(2) # here is where I call the start function

screencap.py

Jan 23, 2021asnark

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"""
Take screenshots at x interval - make a movie of doings on a computer.
"""
import time
from datetime import datetime
import ffmpeg
import pyautogui
while True:
epoch_time = int(time.time())
today = datetime.now().strftime("%Y_%m_%d")
filename = str(epoch_time) + ".png"
print("taking screenshot: {0}".format(filename))
myScreenshot = pyautogui.screenshot()
myScreenshot.save(today + "/" + filename)
time.sleep(5)
#
# and then tie it together with: https://github.com/kkroening/ffmpeg-python/blob/master/examples/README.md#assemble-video-from-sequence-of-frames
#
"""
import ffmpeg
(
ffmpeg
.input('./2021_01_22/*.png', pattern_type='glob', framerate=25)
.filter('deflicker', mode='pm', size=10)
.filter('scale', size='hd1080', force_original_aspect_ratio='increase')
.output('movie.mp4', crf=20, preset='slower', movflags='faststart', pix_fmt='yuv420p')
.run()
)
"""