New submission from Nandish :
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 010, 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
110010.
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
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<https://bugs.python.org/issue42720>
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