In the program why we typecast in srt then assign in result? what is the means of str?

Question

num1 = float(input("Enter a number: "))
num2 = float(input("Enter another number: "))
result = str(num1 + num2)
print("The answer is " + result)

Answer 1

str() converts its argument to a string. Since you have a numerical value of float type, of you want to concatenate it to a text, you have to convert it to a string.