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""" Binary Search Algorithm----------------------------------------"""#iterative implementation of binary search in Pythondef 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 integersitem -- integer you are searching for the position of"""first = 0last = len(a_list) - 1while first <= last:i = (first + last) / 2if a_list[i] == item:return ' found at position '.format(item=item, i=i)elif a_list[i] > item:last = i - 1elif a_list[i] < item:first = i + 1else:return ' not found in the list'.format(item=item)#recursive implementation of binary search in Pythondef binary_search_recursive(a_list, item):"""Performs recursive binary search of an integer in a given, sorted, list.a_list -- sorted list of integersitem -- integer you are searching for the position of"""first = 0last = len(a_list) - 1if len(a_list) == 0:return ' was not found in the list'.format(item=item)else:i = (first + last) // 2if 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)
from time import sleepdef delay(fn, ms, *args):sleep(ms / 1000)return fn(*args)delay(lambda x: print(x), 1000, 'later') # prints 'later' after one second
import os# Get the current directorycurrent_dir = os.getcwd()# Loop through each file in the current directoryfor filename in os.listdir(current_dir):# Check if the file name starts with a number followed by a period and a spaceif filename[0].isdigit() and filename[1] == '.' and filename[2] == ' ':# Remove the number, period, and space from the file namenew_filename = filename[3:]# Rename the fileos.rename(os.path.join(current_dir, filename), os.path.join(current_dir, new_filename))
# importing the modulesimport osimport shutil# getting the current working directorysrc_dir = os.getcwd()# printing current directoryprint(src_dir)# copying the filesshutil.copyfile('test.txt', 'test.txt.copy2') #copy src to dst# printing the list of new filesprint(os.listdir())
color2 = (60, 74, 172)color1 = (19, 28, 87)percent = 1.0for i in range(101):resultRed = round(color1[0] + percent * (color2[0] - color1[0]))resultGreen = round(color1[1] + percent * (color2[1] - color1[1]))resultBlue = round(color1[2] + percent * (color2[2] - color1[2]))print((resultRed, resultGreen, resultBlue))percent -= 0.01
from math import pidef rads_to_degrees(rad):return (rad * 180.0) / pirads_to_degrees(pi / 2) # 90.0