make calculator in python
input
def main():
while True
print("Calculator menu:"
print("1. Addition"
print("2. Subtraction"
print("3. Multiplication"
print("4. Division"
print("5. Invert"
print("6. Factorial"
print("7. Power"
print("8. Quit"
choice = int(input("Enter your choice (1-8): ")
if choice ==
num1 = float(input("Enter first number: ")
num2 = float(input("Enter second number: ")
result = num1 + num
print("Result:", result
elif choice == 2
num1 = float(input("Enter first number: ")
num2 = float(input("Enter second number: ")
result = num1 - num
print("Result:", result
elif choice == 3
num1 = float(input("Enter first number: ")
num2 = float(input("Enter second number: ")
result = num1 * num
print("Result:", result
elif choice == 4
num1 = float(input("Enter first number: ")
num2 = float(input("Enter second number: ")
result = num1 / num
print("Result:", result
elif choice == 5
no = int(input("Enter a number: ")
rem=
rev=
while no>0
rem=no%1
rev=rev*10+re
no=no//1
print("Result:", rev
elif choice == 6
num = int(input("Enter a number: ")
result =
for i in range(2, num + 1)
result *=
print("Result:", result
elif choice == 7
num = float(input("Enter a number: ")
exponent = float(input("Enter exponent: ")
result = num ** exponen
print("Result:", result
elif choice == 8
print("BYE"
brea
else
print("Invalid choice. Try again")
# out put
main()

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