• Nov 19, 2022 •CodeCatch
0 likes • 7 views
def when(predicate, when_true): return lambda x: when_true(x) if predicate(x) else x double_even_numbers = when(lambda x: x % 2 == 0, lambda x : x * 2) print(double_even_numbers(2)) # 4 print(double_even_numbers(1)) # 1
• Apr 15, 2021 •NoahEaton
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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]
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""" Binary Search Algorithm ---------------------------------------- """ #iterative implementation of binary search in Python def binary_search(a_list, item): """Performs iterative binary search to find the position of an integer in a given, sorted, list. a_list -- sorted list of integers item -- integer you are searching for the position of """ first = 0 last = len(a_list) - 1 while first <= last: i = (first + last) / 2 if a_list[i] == item: return ' found at position '.format(item=item, i=i) elif a_list[i] > item: last = i - 1 elif a_list[i] < item: first = i + 1 else: return ' not found in the list'.format(item=item) #recursive implementation of binary search in Python def binary_search_recursive(a_list, item): """Performs recursive binary search of an integer in a given, sorted, list. a_list -- sorted list of integers item -- integer you are searching for the position of """ first = 0 last = len(a_list) - 1 if len(a_list) == 0: return ' was not found in the list'.format(item=item) else: i = (first + last) // 2 if item == a_list[i]: return ' found'.format(item=item) else: if a_list[i] < item: return binary_search_recursive(a_list[i+1:], item) else: return binary_search_recursive(a_list[:i], item)
• Jun 1, 2023 •CodeCatch
0 likes • 3 views
filename = "data.txt" data = "Hello, World!" with open(filename, "a") as file: file.write(data)
• Sep 9, 2023 •AustinLeath
0 likes • 25 views
print("test")
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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()