In this assignment we had to create a calculator using Python and it has to run in Python 3. I don't think mine is working correctly. What did I do wrong?

llt/usr/bin python plain def question What is your option? n Input a number contin True opt -1 accum 0.0 while contin print "Accumulator accum) print ("Please choose print ("1) Addition") print ("Z) Subtraction") print "3) Multiplication") print ("4) Division") print ("5) Square root") print "6) Clear") print ("0) Exit") check int input (question)) opt int (input (question)) if opt- 0 contin False elif opt--1: num float input (n)) accum enum elif opt- 2 num float input (n)) num elif opt- 3: num float input (n)) accum*-mum Read 51 li Get Help Writeout. R Read File Ne