Here's a Python program that performs basic arithmetic operations (addition, subtraction, multiplication, division) based on user input:
Python code :
def add(x, y):
return x + y
def subtract(x, y):
return x - y
def multiply(x, y):
return x * y
def divide(x, y):
if y == 0:
return "Error: Division by zero!"
return x / y
print("Select operation:")
print("1. Addition")
print("2. Subtraction")
print("3. Multiplication")
print("4. Division")
while True:
choice = input("Enter choice (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("Result:", add(num1, num2))
elif choice == '2':
print("Result:", subtract(num1, num2))
elif choice == '3':
print("Result:", multiply(num1, num2))
elif choice == '4':
print("Result:", divide(num1, num2))
else:
print("Invalid input!")
again = input("Do you want to perform another calculation? (yes/no): ")
if again.lower() != 'yes':
break
