Software: Apache/2.0.54 (Unix) mod_perl/1.99_09 Perl/v5.8.0 mod_ssl/2.0.54 OpenSSL/0.9.7l DAV/2 FrontPage/5.0.2.2635 PHP/4.4.0 mod_gzip/2.0.26.1a 

uname -a: Linux snow.he.net 4.4.276-v2-mono-1 #1 SMP Wed Jul 21 11:21:17 PDT 2021 i686 

uid=99(nobody) gid=98(nobody) groups=98(nobody) 

Safe-mode: OFF (not secure)

/opt/doc/python-2.3.4/html/Python-Docs-2.3.4/ref/   drwxr-xr-x
Free 318.35 GB of 458.09 GB (69.49%)
                            Encoder    Tools    Proc.    FTP brute    Sec.    SQL    PHP-code    Update    Feedback    Self remove    Logout    

Viewing file:     shifting.html (6.32 KB)      -rw-r--r--

Python Reference Manual

Previous: 5.6 Binary arithmetic operations Up: 5. Expressions Next: 5.8 Binary bit-wise operations

---

5.7 Shifting operations

The shifting operations have lower priority than the arithmetic operations:

shift_expr

::=

a_expr | shift_expr ( "«" | "»" ) a_expr

Download entire grammar as text.

These operators accept plain or long integers as arguments. The arguments are converted to a common type. They shift the first argument to the left or right by the number of bits given by the second argument.

A right shift by n bits is defined as division by pow(2,n). A left shift by n bits is defined as multiplication with pow(2,n); for plain integers there is no overflow check so in that case the operation drops bits and flips the sign if the result is not less than pow(2,31) in absolute value. Negative shift counts raise a ValueError exception.

---

Python Reference Manual

Previous: 5.6 Binary arithmetic operations Up: 5. Expressions Next: 5.8 Binary bit-wise operations

---

Release 2.3.4, documentation updated on May 20, 2004.