PFP191Xuất hiện trong 1 đề thi
For the following code: ```python astr = 'Hello Bob' istr = 0 try: istr = int(astr) except: istr = -1 ``` What will the value be for istr variable after this code executes?
Các lựa chọn
A-1
BIt will be the 'Not a number' value (i.e. NaN)
CIt will be a random number depending on the operating system the program runs on
Dfalse