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AnyTree Randomizer

0 likes • Apr 15, 2021
Python
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Remove i'th character

CodeCatch
0 likes • Nov 19, 2022
Python
# Python code to demonstrate
# method to remove i'th character
# Naive Method
# Initializing String
test_str = "CodeCatch"
# Printing original string
print ("The original string is : " + test_str)
# Removing char at pos 3
# using loop
new_str = ""
for i in range(len(test_str)):
if i != 2:
new_str = new_str + test_str[i]
# Printing string after removal
print ("The string after removal of i'th character : " + new_str)

Bogo Sort

CodeCatch
0 likes • Nov 19, 2022
Python
# Python program for implementation of Bogo Sort
import random
# Sorts array a[0..n-1] using Bogo sort
def bogoSort(a):
n = len(a)
while (is_sorted(a)== False):
shuffle(a)
# To check if array is sorted or not
def is_sorted(a):
n = len(a)
for i in range(0, n-1):
if (a[i] > a[i+1] ):
return False
return True
# To generate permuatation of the array
def shuffle(a):
n = len(a)
for i in range (0,n):
r = random.randint(0,n-1)
a[i], a[r] = a[r], a[i]
# Driver code to test above
a = [3, 2, 4, 1, 0, 5]
bogoSort(a)
print("Sorted array :")
for i in range(len(a)):
print ("%d" %a[i]),

Return Letter Combinations

AustinLeath
0 likes • Nov 18, 2022
Python
# @return a list of strings, [s1, s2]
def letterCombinations(self, digits):
if '' == digits: return []
kvmaps = {
'2': 'abc',
'3': 'def',
'4': 'ghi',
'5': 'jkl',
'6': 'mno',
'7': 'pqrs',
'8': 'tuv',
'9': 'wxyz'
}
return reduce(lambda acc, digit: [x + y for x in acc for y in kvmaps[digit]], digits, [''])

Nodes and Trees

AustinLeath
0 likes • Nov 18, 2022
Python
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)

Number guessing game

CodeCatch
0 likes • Nov 19, 2022
Python
""" 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()

Currency Converter

CodeCatch
0 likes • Nov 19, 2022
Python
""" 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)