- comparisons.py
- comparisons.py
#!# =============
#!# Comparisons
#!# =============
#!#
#!# This page contains a memo on comparisons.
####################################################################################################
from Tools import *
####################################################################################################
#!# Let define some strings
s0 = 'abc'
s1 = 'def'
#!# Let define a reference or alias to :code:`s0`
s2 = s0
#!# :code:`s0` and :code:`s2` have the same *id*, address of the object in memory.
pretty_print([id(x) for x in (s0, s2, s1)])
#o#
print(id(s0) == id(s2))
#o#
#!# Equality Test
#!# -------------
print(s0 != s1)
#o#
print(s0 == s2)
#o#
#!# Reference Test
#!# --------------
print(s0 is not s1)
#o#
print(s0 is s2)
#o#
#!# Comparison Tests
#!# ----------------
x = 2
print(0 <= x < 10)
#o#
#!# shorter than
0 <= x and x < 10
3.3.2. Comparisons¶
This page contains a memo on comparisons.
from Tools import *
Let define some strings
s0 = 'abc'
s1 = 'def'
Let define a reference or alias to s0
s2 = s0
s0 and s2 have the same id, address of the object in memory.
pretty_print([id(x) for x in (s0, s2, s1)])
[ 139877472330784,
139877472330784,
139877471407664]
print(id(s0) == id(s2))
True