[docs] [issue12067] Doc: remove errors about mixed-type comparisons.

[Andy Maier]

Andy Maier added the comment:

Terry,
I'd like to comment on your statement:
> 3. By default, == and /= compare identities.
in msg148774.

What experiment lead you to that conclusion?

Here is one that contradicts it (using cpython 3.4.1):

>>> i1 = 42
>>> f1 = 42.0
>>> i1 == f1
True
>>> i1 is f1
False

Is it possible, that your experiment got influenced by the optimization that attempts to reuse existing objects of immutable types?
Like in this:

>>> i1 = 42
>>> i2 = 40 + 2
>>> i1 == i2
True
>>> i1 is i2
True

Andy

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