New submission from Nandish <lbnand...@gmail.com>:
I verified the following on both Python 2.7 and Python 3.8 I did print(100<<3) Converting 100 to Binary gives 1100100. What I did is I droped the first 3 bits and added 3 bits with the value '0' at the end. So it should result as 0100000, and I converted this to Decimal and the answer was 32. For my suprise when I executed print(100<<3) the answer was 800. I was puzzled. I converted 800 to Binary to check whats going on. And this is what I got 1100100000. If you see how 800 was Python answer, they did not shift or drop the first 3 bits but they added value '0' to last 3 bits. Where as print(100>>3) , worked perfect. I did manual calculation and cheked the print result from python. It worked correctly. Dropped last 3 bits and added value '0' to first 3 bits. Looks like (100<<3) , left shift operator has a bug on Python. ---------- messages: 383599 nosy: Nandish priority: normal severity: normal status: open title: << operator has a bug type: behavior versions: Python 3.8 _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue42720> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
