• Nov 19, 2022 •CodeCatch
0 likes • 2 views
from collections import defaultdict def collect_dictionary(obj): inv_obj = defaultdict(list) for key, value in obj.items(): inv_obj[value].append(key) return dict(inv_obj) ages = { 'Peter': 10, 'Isabel': 10, 'Anna': 9, } collect_dictionary(ages) # { 10: ['Peter', 'Isabel'], 9: ['Anna'] }
• May 5, 2026 •CodeCatch
0 likes • 0 views
{"output":{"name":"format_final_json_response","arguments":{"output":{}}}}
• Jun 1, 2023 •CodeCatch
0 likes • 3 views
filename = "data.txt" data = "Hello, World!" with open(filename, "a") as file: file.write(data)
""" 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!"
# Python program for implementation of Radix Sort # A function to do counting sort of arr[] according to # the digit represented by exp. def countingSort(arr, exp1): n = len(arr) # The output array elements that will have sorted arr output = [0] * (n) # initialize count array as 0 count = [0] * (10) # Store count of occurrences in count[] for i in range(0, n): index = (arr[i]/exp1) count[int((index)%10)] += 1 # Change count[i] so that count[i] now contains actual # position of this digit in output array for i in range(1,10): count[i] += count[i-1] # Build the output array i = n-1 while i>=0: index = (arr[i]/exp1) output[ count[ int((index)%10) ] - 1] = arr[i] count[int((index)%10)] -= 1 i -= 1 # Copying the output array to arr[], # so that arr now contains sorted numbers i = 0 for i in range(0,len(arr)): arr[i] = output[i] # Method to do Radix Sort def radixSort(arr): # Find the maximum number to know number of digits max1 = max(arr) # Do counting sort for every digit. Note that instead # of passing digit number, exp is passed. exp is 10^i # where i is current digit number exp = 1 while max1/exp > 0: countingSort(arr,exp) exp *= 10 # Driver code to test above arr = [ 170, 45, 75, 90, 802, 24, 2, 66] radixSort(arr) for i in range(len(arr)): print(arr[i]),