Serhiy Storchaka storchaka at gmail.com
Wed Jul 4 02:07:46 EDT 2018

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04.07.18 00:51, Chris Angelico пише:
> On Wed, Jul 4, 2018 at 7:37 AM, Serhiy Storchaka <storchaka at gmail.com> wrote:
>> I believe most Python users are not
>> professional programmers -- they are sysadmins, scientists, hobbyists and
>> kids --
> 
> [citation needed]

I don't understand what citation do you need.

>> In particularly mutating and
>> non-mutating operations are separated. The assignment expression breaks
>> this.
> 
> [citation needed]

In Python the assignment (including the augmented assignment) is a 
statement, del is a statement, function and class declarations are 
statements, import is a statement. Mutating methods like list.sort() and 
dict.update() return None to discourage using them in expressions. This 
a common knowledge, I don't know who's citation you need.

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