Can you explain me what's wrong with this code ?

Question

print('Hello ')
print ('**** Welcome to calculator ****')
print ('For addition , please enter "add"')
print ('For subtraction , please enter "sub"')
print ('For multiplication , please enter "mul"')
print ('For division , please enter "div"')
User_input = input(":")

if User_input == "add" :
num1 = float(input("\nEnter 1st number "))
num2 = float(input ("\nEnter 2nd number "))
result = str(num1 + num2)
print("\nYour result is "+ result)

elif User_input == "sub" :
num1 = float(input("\nEnter 1st number "))
num2 = float(input ("\nEnter 2nd number "))
result = str(num1 - num2)
print("Your result is "+ result)

elif User_input == "div" :
num1 = float(input("\nEnter 1st number "))
num2 = float(input ("\nEnter 2nd number "))
result = str(num1 / num2)
print("Your result is "+ result)

elif User_input == "mul" :
num1 = float(input("\nEnter 1st number "))
num2 = float(input ("\nEnter 2nd number "))
result = str(num1 * num2)
print("Your result is "+ result)

else:
print("Wrong")

Answer 1

Ur bug is u r using sololearn for multiple in input
Try to copy ur code in PyDroid and run their all ur bugs will get solved

Answer 2

Abhay Yes you are right!!!
Ahmad Naweed There's no bug in your code... It is sololearn's limitation...
It does not support multiple inputs...

Answer 3

What is complier telling u about bug