def main():
print("Select Operation")
print("1.Add")
print("2.Subtract")
print("3.Multiply")
print("4.Divide")
print("5.Power")
choice = input("Enter Choice(+,-,*,/,^): ")
num1 = int(input("Enter first number: "))
num2 = int(input("Enter Second number:"))
if choice == '+':
print(num1, "+", num2, "=", add(num1, num2))
elif choice == '-':
print(num1, "-", num2, "=", subtract(num1, num2))
elif choice == '*':
print(num1, "*", num2, "=", multiply(num1, num2))
elif choice == '/':
print(num1, "/", num2, "=", divide(num1, num2))
elif choice == '^':
print(num1, "^", num2, "=", power(num1, num2))
else:
print("Invalid input")
main()
def ifthen_operate(number_1, number_2):
operation = request.args.get('operation')
if operation == "addition":
return "{}".format(add(number_1, number_2))
elif operation == "subtraction":
return "{]".format(subtract(number_1, number_2))
elif operation == "multiplication":
return "{}".format(multiply(number_1, number_2))
elif operation == "division":
return "{}".format(divide(number_1, number_2))
else:
return "Error: need an operation for two numbers. After the url, type 'operation=', then the operation. Operations are: addition, subtraction, multiplication, and division."
def calculate_expression(expression):
(x, sign, y) = expression.split(' ')
x = float(x)
y = int(y)
if sign == '+':
result = add(x, y)
elif sign == '-':
result = subtract(x, y)
elif sign == '*':
result = multiply(x, y)
elif sign == '/':
result = divide(x, y)
elif sign == '^':
result = power(x, y)
else:
raise Exception(f'Invalid sign {sign}')
return f'{result:.2f}'
def run():
print("This program will help with simple calculations. What do you want to do?")
print("1 - add numbers")
print("2 - subtract numbers")
print("3 - multiply numbers")
print("4 - divide numbers")
answer = input(">> ")
a = int(input("A="))
b = int(input("B="))
if answer == "1":
result = add(a, b)
if answer == "2":
result = subtract(a, b)
if answer == "3":
result = multiply(a, b)
if answer == "4":
result = divide(a, b)
print("Result =", result)
def testCode(data):
for number in data:
if number == 0:
print("Skipping 0\n")
continue
try:
print("{0} squared is {1}\n".format(number,
operations.squared(number)))
print("{0} cubed is {1}\n".format(number,
operations.cubed(number)))
print("{0} multiplied by 3 is {1}\n".format(
number, operations.multiply(number, 3)))
print("{0} halved is {1}\n".format(number,
operations.halved(number)))
print("{0} quartered is {1}\n".format(
number, operations.quartered(number)))
print("{0} divided by zero is {1}\n".format(
number, operations.divide(number, 0)))
except ZeroDivisionError:
print("Divisor cannot be zero\n")
def test_division(self):
assert 1 == operations.divide(10, 10)
import operations
print("Welcome to our special calculator where no result is under 0")
print("Choose an operation:")
print("a) Add")
print("b) Subtract")
print("c) Multiply")
print("d) Divide")
user_choice = input("> ") # a, b, c, or d
number1 = int(input("Please give me a number: "))
number2 = int(input("Please give me another number: "))
if user_choice == 'a':
print(operations.add(number1, number2))
if user_choice == 'b':
print(operations.subtract(number1, number2))
if user_choice == 'c':
print(operations.multiply(number1, number2))
if user_choice == 'd':
print(operations.divide(number1, number2))
def test_divide():
assert divide(1, 2) == 0.5
assert divide(10, 2) == 5
def add(num1, num2):
return num1 + num2
def multiply(num1, num2):
return num1 * num2
def divide(num1, num2):
return num1 / num2
add(2, 3)
multiply(5, 9)
divide(8, 4)
#any number of aguments:
def add_any_number_of_arguments(*nums):
for num in nums:
num += num
return num
add_any_number_of_arguments(1, 23, 54, 54)
#Any number of Keyword/Named arguments:**kwargs
'''Similar to *args, we can use **kwargs to pass as many keyword
arguments as we want, as long as we use **.'''
def test_divide(self):
result = operations.divide(10, 5)
self.assertEqual(result, 2)
def test_divide(self):
self.assertEqual(operations.divide(10, 5), 2)
self.assertEqual(operations.divide(-1, 1), -1)
self.assertEqual(operations.divide(-1, -1), 1)
self.assertEqual(operations.divide(5, 2), 2.5)
import operations
try:
a=float(input("enter a"))
b=float(input("enter b"))
print(operations.add(a,b))
print(operations.subtract(a,b))
print(operations.multi(a,b))
print(operations.divide(a,b))
except:
print("it is string")
def test_division_operation_returns_error_when_divided_by_zero(self):
self.assertEqual(divide(10, 0), "Zero Division Error!")
def test_division_operation_returns_incorrect_value(self):
self.assertEqual(divide(100, 10), 10)
def test3(self):
self.assertEqual(operations.divide(18, 2), 9)
result = operations.subtract(operands[0], operands[1])
operands.pop(0) # remove operand 1
operands.pop(0) # remove operand 2
operands.insert(
0, result
) # places the result of operation at the place of two used operands
elif x == '*':
# Subtraction
result = operations.multiply(operands[0], operands[1])
operands.pop(0) # remove operand 1
operands.pop(0) # remove operand 2
operands.insert(
0, result
) # places the result of operation at the place of two used operands
elif x == '/':
# Subtraction
result = operations.divide(operands[0], operands[1])
operands.pop(0) # remove operand 1
operands.pop(0) # remove operand 2
operands.insert(
0, result
) # places the result of operation at the place of two used operands
else:
print('Error.')
break
# print('operands_working: {}'.format(operands_working))
# print('operands: {}'.format(operands))
if len(operands) == 1:
print('\n{} = {}'.format(equation, operands[0]))
