• May 31, 2023 •CodeCatch
0 likes • 2 views
def generate_pascals_triangle(num_rows): triangle = [] for row in range(num_rows): # Initialize the row with 1 current_row = [1] # Calculate the values for the current row if row > 0: previous_row = triangle[row - 1] for i in range(len(previous_row) - 1): current_row.append(previous_row[i] + previous_row[i + 1]) # Append 1 at the end of the row current_row.append(1) # Add the current row to the triangle triangle.append(current_row) return triangle def display_pascals_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 Pascal's Triangle: ")) # Generate Pascal's Triangle pascals_triangle = generate_pascals_triangle(num_rows) # Display Pascal's Triangle display_pascals_triangle(pascals_triangle)
• Nov 19, 2022 •CodeCatch
0 likes • 19 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
• Jun 1, 2023 •CodeCatch
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filename = "data.txt" data = "Hello, World!" with open(filename, "a") as file: file.write(data)
""" 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()
• Dec 18, 2025 •CodeCatch
0 likes • 4 views
def insertion_sort(arr): # Traverse through 1 to len(arr) for i in range(1, len(arr)): key = arr[i] # Move elements of arr[0..i-1], that are greater than key, # to one position ahead of their current position j = i - 1 while j >= 0 and key < arr[j]: arr[j + 1] = arr[j] j -= 1 arr[j + 1] = key # Example usage: arr = [12, 11, 13, 5, 6, 7, 8, 10] insertion_sort(arr) print("Sorted array is:", arr)
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""" 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)