6.7.1 Mapping Operators to Functions
From Python 2.5
6.7.1 Mapping Operators to Functions
This table shows how abstract operations correspond to operator symbols in the Python syntax and the functions in the operator module.
| Operation | Syntax | Function |
|---|---|---|
| Addition | a + b |
add(a, b) |
| Concatenation | seq1 + seq2 |
concat(seq1, seq2) |
| Containment Test | o in seq |
contains(seq, o) |
| Division | a / b |
div(a, b) # without __future__.division |
| Division | a / b |
truediv(a, b) # with __future__.division |
| Division | a // b |
floordiv(a, b) |
| Bitwise And | a & b |
and_(a, b) |
| Bitwise Exclusive Or | a ^ b |
xor(a, b) |
| Bitwise Inversion | ~ a |
invert(a) |
| Bitwise Or | a | b |
or_(a, b) |
| Exponentiation | a ** b |
pow(a, b) |
| Identity | a is b |
is_(a, b) |
| Identity | a is not b |
is_not(a, b) |
| Indexed Assignment | o[k] = v |
setitem(o, k, v) |
| Indexed Deletion | del o[k] |
delitem(o, k) |
| Indexing | o[k] |
getitem(o, k) |
| Left Shift | a << b |
lshift(a, b) |
| Modulo | a % b |
mod(a, b) |
| Multiplication | a * b |
mul(a, b) |
| Negation (Arithmetic) | - a |
neg(a) |
| Negation (Logical) | not a |
not_(a) |
| Right Shift | a >> b |
rshift(a, b) |
| Sequence Repitition | seq * i |
repeat(seq, i) |
| Slice Assignment | seq[i:j] = values |
setslice(seq, i, j, values) |
| Slice Deletion | del seq[i:j] |
delslice(seq, i, j) |
| Slicing | seq[i:j] |
getslice(seq, i, j) |
| String Formatting | s % o |
mod(s, o) |
| Subtraction | a - b |
sub(a, b) |
| Truth Test | o |
truth(o) |
| Ordering | a < b |
lt(a, b) |
| Ordering | a <= b |
le(a, b) |
| Equality | a == b |
eq(a, b) |
| Difference | a != b |
ne(a, b) |
| Ordering | a >= b |
ge(a, b) |
| Ordering | a > b |
gt(a, b) |
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Release 2.5, documentation updated on 19th September, 2006.