def calculate():
print('What would you like to do?')
print('1. add')
print('2. subtract')
print('3. multiply')
print('4. divide')
print()
try:
operation = int(input(''))
except ValueError:
operation = int(input('That is not valid input. Please enter 1, 2, 3 or 4: '))
finally:
while(operation != 1 and operation != 2 and operation != 3 and operation != 4): #the function would not work properly with the
operation = int(input('That is not valid input. Please enter 1, 2, 3 or 4: ')) #while loop nested in an except statement
if(operation == 1):
print('You chose to add.')
result = addition.add()
elif(operation == 2):
print('You chose to subtract.')
result = subtraction.subtract()
elif(operation == 3):
print('You chose to multiply.')
result = multiplication.multiply()
elif(operation == 4):
print('You chose to divide.')
result = division.divide()
print()
print('The result is ' + str(result))
def gcd(a, b):
rem = 1
while rem != 0:
b, rem = divide(a, b)
a = b
b = rem
return a
def divide_by_zero(self):
a = 2
b = 0
result = division.divide(a, b)
self.assertEqual(result, "Invalid")
def test_do_divide(self):
first_arg = 4
second_arg = 2
result = division.divide(first_arg, second_arg)
expected_result = 2
self.assertEqual(result, expected_result)
import multiplication
import addition
import division
import mod
import subtraction
x = 8
y = 5
result_of_subtraction = subtraction.sub(x, y)
result_of_addition = addition.add(x, y)
result_of_multiplication = multiplication.multiply(x, y)
result_of_division = division.divide(x, y)
result_of_mod = mod.mod(x, y)
print("X=8 and Y=5")
print("Result of subtraction: " + str(result_of_subtraction))
print("Result of addition: " + str(result_of_addition))
print("Result of multiplication: " + str(result_of_multiplication))
print("Result of division: " + str(result_of_division))
print("Result of mod: " + str(result_of_mod))
b = float(input("Enter second Number: "))
if answer == '1': # ADDITION FUNCTION
result_add = add(a, b)
print(f'\nResult of addition of {a} and {b} = {result_add} \n')
elif answer == '2': # SUBTRACTION FUNCTION
result_subtract = subtract(a, b)
print(
f'\nResult of subtraction of {a} and {b} = {result_subtract} \n')
elif answer == '3': # MULTIPLICATION FUNCTION
result_multiply = multiply(a, b)
print(
f'\nResult of multiplication of {a} and {b} = {result_multiply} \n'
)
elif answer == '4': # DIVISION FUNCTION
result_divide = divide(a, b)
print(f'\nResult of division of {a} and {b} = {result_divide} \n')
elif answer == '5': # POWER FUNCTION
result_power = power(a, b)
print(f'\nResult of {a} to the power of {b} = {result_power} \n')
else: # IF INPUT ISN'T 1,2,3,4,5 IT'LL BE TERMED AS INVALID
print("\nInvalid Input try again \n")
# add_result = add(a, b)
# print(f'Result of addition of {a} and {b} = {add_result}')
def main_loop():
print("Welcome to the simple calculator. Please select from the following options:")
print()
print("1. Addition")
print("2. Subtraction")
print("3. Multiplication")
print("4. Division")
print()
user_selection = 0
while True:
try:
user_selection = int(input("Please enter your selection: "))
print()
if (user_selection < 1 or user_selection > 4):
raise CalculatorInputError("**Please enter a valid option**\n")
else:
break
except CalculatorInputError as err:
print(err)
continue
except ValueError:
print("\n**Please enter an integer**\n")
continue
while True:
try:
n1 = int(input("Please enter your first number: "))
print()
break
except ValueError: # No custom error is necessary here
print("\n**Please enter a valid number**\n")
continue
while True:
try:
n2 = int(input("Please enter your second number: "))
print()
break
except ValueError: # No custom error is necessary here
print("\n**Please enter a valid number**\n")
continue
if user_selection == 1:
addition.add(n1, n2)
elif user_selection == 2:
subtraction.subtract(n1, n2)
elif user_selection == 3:
multiplication.multiply(n1, n2)
elif user_selection == 4:
division.divide(n1, n2)
print()
while True:
try:
response = input("Would you like to perform a new operation (y/n): ")
if (response != "y" and response != "n"):
raise CalculatorInputError("\n**Please enter a valid option**\n")
else:
if (response == "y"):
print("\n**\n")
main_loop()
else:
quit()
except CalculatorInputError as err:
print(err)
continue
def divide(self, x1,x2):
return dv.divide(x1,x2)
def test_returns_string_infinity_if_divisor_is_zero(self):
result = division.divide(20, 0)
self.assertEqual("Infinity", result)
from Add import add
from Subtraction import subtract
#addition - Ayush
#subtraction- Keerthana
#multiplication - SOmanshu
#division - Arjun
print("Guide for choosing operations--------------------")
print("1-- Addition")
print("2-- subtraction")
print("3-- multiplication")
print("4-- division")
ch=int(input('Enter choice: '))
a=int(input("first number: "))
b=int(input("second number: "))
if(ch==1):
print(add(a,b))
elif(ch==2):
print(subtract(a,b))
elif(ch==3):
print(multiply(a,b))
elif(ch==4):
print(divide(a,b))
else:
print("PLease enter a valid Choice")
def test_floatDivision(self):
self.assertEqual(division.divide(1.5, 0.23), 6.521739130434782)
def test_simpleDivision(self):
self.assertEqual(division.divide(500, 10), 50.0)
def test_negative_division(self):
self.assertEquals(divide(-9, -3), 3)
choice = True
iteration = 0
while (choice == True):
a = input("enter your number: ")
while (1):
try:
a = float(a)
break
except:
print("only numbers allowed")
a = input("enter your number: ")
if (option == '1'):
result = add(a, result)
if (option == '2' and iteration == 0):
result = subtract(a, result)
elif (option == '2'):
result = subtract(result, a)
if (option == '3'):
result = multiply(a, result)
if (option == '4' and iteration == 0):
result = divide(a, result)
elif (option == '4'):
result = divide(result, a)
iteration = iteration + 1
choice = input(
"do you want to add one more number to youe operation y/n : ") == "y"
print("your result", result)
def test_division(self):
self.assertEquals(divide(4, 2), 2)
def test_for_string(self):
self.assertEqual(divide("one", 2), "Has to be an integer")
def test_float_division(self):
self.assertEquals(divide(6.25, 2.5), 2.5)
import subtraction
import multiplication
import division
print("Please make a choice. Select from:")
print("1 for add")
print("2 for subtract")
print("3 for multiply")
print("4 for divide")
if True:
choice = input("Enter selection(1, 2, 3, 4):")
if choice in ('1', '2', '3','4'):
num1 = float(input("Enter first number:"))
num2 = float(input("Enter second number:"))
if choice == '1':
print(num1, "+", num2, "=", addition.add(num1,num2))
elif choice == '2':
print(num1, "-", num2, "=", subtraction.subtract(num1, num2))
elif choice == '3':
print(num1, "*", num2, "=", multiplication.multiply(num1, num2))
elif choice == '4':
try:
print(num1, "/", num2, "=", division.divide(num1,num2))
except ZeroDivisionError:
print("You cannot divide by zero")
else:
print("Invalid Input")
from multiplication import multiply
from division import divide
from register import *
a = int(input())
b = int(input())
r_a = store_in_register(a)
r_b = store_in_register(b)
if DEBUG:
print(r_a, r_b)
binary_product = multiply(r_a, r_b)
binary_quotient, binary_remainder = divide(r_a, r_b)
decimal_product = convert_decimal(binary_product)
decimal_quotient = convert_decimal(binary_quotient)
decimal_remainder = convert_decimal(binary_remainder)
print("decimal product:", decimal_product)
print("decimal_quotient:", decimal_quotient)
print("decimal_remainder:", decimal_remainder)
print("binary_product:", binary_product)
print("binary_quotient", binary_quotient)
print("binary_remainder", binary_remainder)
assert (decimal_product == convert_to_decimal(binary_product))
assert (decimal_quotient == convert_to_decimal(binary_quotient))
assert (decimal_remainder == convert_to_decimal(binary_remainder))
def test_overflow(self):
with self.assertRaises(OverflowError):
division.divide(1e100, 1)
def choose():
while True:
print("Welcome to my python calculator. What would you like to do? ")
print("1. Addition")
print("2. Subtraction")
print("3. Multiplication")
print("4. Division")
thislist = []
y = True
while True:
try:
user_selection = int(input("My choice is: "))
if user_selection > 0 and user_selection < 5:
break
else:
print("Only integers between 1 and 4 are allowed. Try again")
# CalculatorInputError
except ValueError:
print("Only integers between 1 and 4 are allowed. Try again")
while True:
n1 = input("Type the number and press enter: ")
print("To calculate type '=': ")
if n1 == "=":
break
else:
n1 = int(n1)
thislist.append(n1)
if user_selection == 1:
answer = add(thislist)
print("answer: " + str(answer))
elif user_selection == 2:
answer = subtract(thislist)
print("answer: " + str(answer))
elif user_selection == 3:
answer = multiply(thislist)
print("answer: " + str(answer))
elif user_selection == 4:
for x in range(len(thislist) - 1):
if thislist[x] == 0:
print("cannot divide by zero")
print("")
choose()
answer = divide(thislist)
print("answer: " + str(answer))
else:
print("Invalid selection. please try again")
print("")
def test_negativeDivision(self):
self.assertEqual(division.divide(-400, 20), -20.0)
def test_divides_numbers(self):
result = division.divide(20, 5)
self.assertEqual(4, result)
def test_divisionByZero(self):
with self.assertRaises(ValueError):
division.divide(5, 0)
def test_divide_when_other_number_is_zero_raises_an_exception():
with pytest.raises(ZeroDivisionError, match="division by zero"):
divide(2, 0)
