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Multiply Two Matrices

May 31, 2023CodeCatch
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Create a Floyd’s Triangle

May 31, 2023CodeCatch

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def generate_floyds_triangle(num_rows):
triangle = []
number = 1
for row in range(num_rows):
current_row = []
for _ in range(row + 1):
current_row.append(number)
number += 1
triangle.append(current_row)
return triangle
def display_floyds_triangle(triangle):
for row in triangle:
for number in row:
print(number, end=" ")
print()
# Prompt the user for the number of rows
num_rows = int(input("Enter the number of rows for Floyd's Triangle: "))
# Generate Floyd's Triangle
floyds_triangle = generate_floyds_triangle(num_rows)
# Display Floyd's Triangle
display_floyds_triangle(floyds_triangle)

Rock paper scissors

Nov 19, 2022CodeCatch

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""" Rock Paper Scissors
----------------------------------------
"""
import random
import os
import re
os.system('cls' if os.name=='nt' else 'clear')
while (1 < 2):
print "\n"
print "Rock, Paper, Scissors - Shoot!"
userChoice = raw_input("Choose your weapon [R]ock], [P]aper, or [S]cissors: ")
if not re.match("[SsRrPp]", userChoice):
print "Please choose a letter:"
print "[R]ock, [S]cissors or [P]aper."
continue
// Echo the user's choice
print "You chose: " + userChoice
choices = ['R', 'P', 'S']
opponenetChoice = random.choice(choices)
print "I chose: " + opponenetChoice
if opponenetChoice == str.upper(userChoice):
print "Tie! "
#if opponenetChoice == str("R") and str.upper(userChoice) == "P"
elif opponenetChoice == 'R' and userChoice.upper() == 'S':
print "Scissors beats rock, I win! "
continue
elif opponenetChoice == 'S' and userChoice.upper() == 'P':
print "Scissors beats paper! I win! "
continue
elif opponenetChoice == 'P' and userChoice.upper() == 'R':
print "Paper beat rock, I win! "
continue
else:
print "You win!"

Sieve of Eratosthenes

Nov 19, 2022CodeCatch

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# Given a number n, print all primes smaller than or equal to n. It is also given that n is a small number.
# For example, if n is 10, the output should be “2, 3, 5, 7”. If n is 20, the output should be “2, 3, 5, 7, 11, 13, 17, 19”.
# Python program to print all primes smaller than or equal to
# n using Sieve of Eratosthenes
def SieveOfEratosthenes(n):
# Create a boolean array "prime[0..n]" and initialize
# all entries it as true. A value in prime[i] will
# finally be false if i is Not a prime, else true.
prime = [True for i in range(n + 1)]
p = 2
while (p * p <= n):
# If prime[p] is not changed, then it is a prime
if (prime[p] == True):
# Update all multiples of p
for i in range(p * 2, n + 1, p):
prime[i] = False
p += 1
prime[0]= False
prime[1]= False
# Print all prime numbers
for p in range(n + 1):
if prime[p]:
print (p)
# driver program
if __name__=='__main__':
n = 30
print("Following are the prime numbers smaller")
print("than or equal to ", n)
print("than or equal to ", n)
SieveOfEratosthenes(n)

Number guessing game

Nov 19, 2022CodeCatch

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""" Number Guessing Game
----------------------------------------
"""
import random
attempts_list = []
def show_score():
if len(attempts_list) <= 0:
print("There is currently no high score, it's yours for the taking!")
else:
print("The current high score is {} attempts".format(min(attempts_list)))
def start_game():
random_number = int(random.randint(1, 10))
print("Hello traveler! Welcome to the game of guesses!")
player_name = input("What is your name? ")
wanna_play = input("Hi, {}, would you like to play the guessing game? (Enter Yes/No) ".format(player_name))
// Where the show_score function USED to be
attempts = 0
show_score()
while wanna_play.lower() == "yes":
try:
guess = input("Pick a number between 1 and 10 ")
if int(guess) < 1 or int(guess) > 10:
raise ValueError("Please guess a number within the given range")
if int(guess) == random_number:
print("Nice! You got it!")
attempts += 1
attempts_list.append(attempts)
print("It took you {} attempts".format(attempts))
play_again = input("Would you like to play again? (Enter Yes/No) ")
attempts = 0
show_score()
random_number = int(random.randint(1, 10))
if play_again.lower() == "no":
print("That's cool, have a good one!")
break
elif int(guess) > random_number:
print("It's lower")
attempts += 1
elif int(guess) < random_number:
print("It's higher")
attempts += 1
except ValueError as err:
print("Oh no!, that is not a valid value. Try again...")
print("({})".format(err))
else:
print("That's cool, have a good one!")
if __name__ == '__main__':
start_game()

Nodes and Trees

Nov 18, 2022AustinLeath

0 likes • 1 view

import random
class Node:
def __init__(self, c):
self.left = None
self.right = None
self.color = c
def SetColor(self,c) :
self.color = c
def PrintNode(self) :
print(self.color)
def insert(s, root, i, n):
if i < n:
temp = Node(s[i])
root = temp
root.left = insert(s, root.left,2 * i + 1, n)
root.right = insert(s, root.right,2 * i + 2, n)
return root
def MakeTree(s) :
list = insert(s,None,0,len(s))
return list
def MakeSet() :
s = []
count = random.randint(7,12)
for _ in range(count) :
color = random.randint(0,1) == 0 and "Red" or "White"
s.append(color)
return s
def ChangeColor(root) :
if (root != None) :
if (root.color == "White") :
root.SetColor("Red")
ChangeColor(root.left)
ChangeColor(root.right)
def PrintList(root) :
if root.left != None :
PrintList(root.left)
else :
root.PrintNode()
if root.right != None :
PrintList(root.right)
else :
root.PrintNode()
t1 = MakeTree(MakeSet())
print("Original Colors For Tree 1:\n")
PrintList(t1)
ChangeColor(t1)
print("New Colors For Tree 1:\n")
PrintList(t1)
t2 = MakeTree(MakeSet())
print("Original Colors For Tree 2:\n")
PrintList(t2)
ChangeColor(t2)
print("New Colors For Tree 2:\n")
PrintList(t2)
t3 = MakeTree(MakeSet())
print("Original Colors For Tree 3:\n")
PrintList(t3)
ChangeColor(t3)
print("New Colors For Tree 3:\n")
PrintList(t3)

Currency Converter

Nov 19, 2022CodeCatch

0 likes • 10 views

""" Currency Converter
----------------------------------------
"""
import urllib.request
import json
def currency_converter(currency_from, currency_to, currency_input):
yql_base_url = "https://query.yahooapis.com/v1/public/yql"
yql_query = 'select%20*%20from%20yahoo.finance.xchange%20where%20pair' \
'%20in%20("'+currency_from+currency_to+'")'
yql_query_url = yql_base_url + "?q=" + yql_query + "&format=json&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys"
try:
yql_response = urllib.request.urlopen(yql_query_url)
try:
json_string = str(yql_response.read())
json_string = json_string[2:
json_string = json_string[:-1]
print(json_string)
yql_json = json.loads(json_string)
last_rate = yql_json['query']['results']['rate']['Rate']
currency_output = currency_input * float(last_rate)
return currency_output
except (ValueError, KeyError, TypeError):
print(yql_query_url)
return "JSON format error"
except IOError as e:
print(str(e))
currency_input = 1
#currency codes : http://en.wikipedia.org/wiki/ISO_4217
currency_from = "USD"
currency_to = "TRY"
rate = currency_converter(currency_from, currency_to, currency_input)
print(rate)