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""" 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
""" Currency Converter----------------------------------------"""import urllib.requestimport jsondef 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_outputexcept (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_4217currency_from = "USD"currency_to = "TRY"rate = currency_converter(currency_from, currency_to, currency_input)print(rate)
from collections import defaultdictdef combine_values(*dicts):res = defaultdict(list)for d in dicts:for key in d:res[key].append(d[key])return dict(res)d1 = {'a': 1, 'b': 'foo', 'c': 400}d2 = {'a': 3, 'b': 200, 'd': 400}combine_values(d1, d2) # {'a': [1, 3], 'b': ['foo', 200], 'c': [400], 'd': [400]}
my_list = [1, 2, 3, 4, 5]removed_element = my_list.pop(2) # Remove and return element at index 2print(removed_element) # 3print(my_list) # [1, 2, 4, 5]last_element = my_list.pop() # Remove and return the last elementprint(last_element) # 5print(my_list) # [1, 2, 4]
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
from statistics import median, mean, modedef print_stats(array):print(array)print("median =", median(array))print("mean =", mean(array))print("mode =", mode(array))print()print_stats([1, 2, 3, 3, 4])print_stats([1, 2, 3, 3])