Write a while loop that prints user_num divided by 2 until user_num is less than 1. The value of user_num changes inside of the loop. Sample output with input: 20 10.0 5.0 2.5 1.25 0.625 Note: If the submitted code has an infinite loop, the system will stop running the code after a few seconds and report "Program end never reached." The system doesn't print the test case that caused the reported message. Code writing challenge activity demo 456578.3058726.qx3zqy7 1 user_num= int(input()) 2 while user num>=1: 3 4 5 print (user_num/2) x-float(input()) user_num= x