Color Gradient
• Skrome
0 likes • Mar 10, 2021
Python
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def sum_of_powers(end, power = 2, start = 1):return sum([(i) ** power for i in range(start, end + 1)])sum_of_powers(10) # 385sum_of_powers(10, 3) # 3025sum_of_powers(10, 3, 5) # 2925
""" Calculator----------------------------------------"""def addition ():print("Addition")n = float(input("Enter the number: "))t = 0 //Total number enterans = 0while n != 0:ans = ans + nt+=1n = float(input("Enter another number (0 to calculate): "))return [ans,t]def subtraction ():print("Subtraction");n = float(input("Enter the number: "))t = 0 //Total number entersum = 0while n != 0:ans = ans - nt+=1n = float(input("Enter another number (0 to calculate): "))return [ans,t]def multiplication ():print("Multiplication")n = float(input("Enter the number: "))t = 0 //Total number enterans = 1while n != 0:ans = ans * nt+=1n = float(input("Enter another number (0 to calculate): "))return [ans,t]def average():an = []an = addition()t = an[1]a = an[0]ans = a / treturn [ans,t]// main...while True:list = []print(" My first python program!")print(" Simple Calculator in python by Malik Umer Farooq")print(" Enter 'a' for addition")print(" Enter 's' for substraction")print(" Enter 'm' for multiplication")print(" Enter 'v' for average")print(" Enter 'q' for quit")c = input(" ")if c != 'q':if c == 'a':list = addition()print("Ans = ", list[0], " total inputs ",list[1])elif c == 's':list = subtraction()print("Ans = ", list[0], " total inputs ",list[1])elif c == 'm':list = multiplication()print("Ans = ", list[0], " total inputs ",list[1])elif c == 'v':list = average()print("Ans = ", list[0], " total inputs ",list[1])else:print ("Sorry, invilid character")else:break
""" 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)
#Python 3: Fibonacci series up to ndef fib(n):a, b = 0, 1while a < n:print(a, end=' ')a, b = b, a+bprint()fib(1000)
from colorama import init, Fore# Initialize coloramainit()print(Fore.RED + "This text is in red color.")print(Fore.GREEN + "This text is in green color.")print(Fore.BLUE + "This text is in blue color.")# Reset coloramaprint(Fore.RESET + "This text is back to the default color.")
# @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, [''])