True == 1
True
False == 0
True
int(True)
1
int(False)
0
bool(1)
True
bool(0)
False
But:
str(fill==True)+','
is simpler than:
(False,, True,)[fill==True]
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x is y means id(y) == id(y)
x is not y means id(x) != id(x)
x is not None means id(x) != id(None)
x is not None is a really silly statement!! because id(None) and id
of any constant object is not predictable! I don't know whay people
use is instead of ==. you should write
On Aug 9, 3:41 pm, saeed.gnu saeed@gmail.com wrote:
x is y means id(y) == id(y)
x is not y means id(x) != id(x)
x is not None means id(x) != id(None)
x is not None is a really silly statement!! because id(None) and id
of any constant object is not predictable! I
1) Why do Python lists start with element [0], instead of element
[1]? Common sense would seem to suggest that lists should start
with [1].
Because Zero is the neutral element of addition operation. And indexes
(and all adresses in computing) involve with addition much more than
I recommend to use UTF-8 coding(specially in GNU/Linux) then write
this in the second line:
#-*- coding: latin-1 -*-
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