Suppose, if I have the string 'aababbb', I want to get the output as 'aababb'.
I want the output in time complexity O(N) and space complexity O(1). when input
string is 'abababa', output should be same as input.
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del__ says:
> `del x` doesn’t directly call `x.__del__()` — the former decrements the
> reference count for `x` by one, and the latter is only called when `x`’s
> reference count reaches zero.
Also what the reference count here means? I know that x can hold only one
reference at a t
On 22/04/19 3:35 PM, Alan Gauld via Tutor wrote:
On 22/04/2019 10:18, Arup Rakshit wrote:
Consider the below in simple class:
class RandomKlass:
def __init__(self, x):
self.x = x
def __del__(self):
print("Deleted…")
Now when I delete the object cr
CustomList(list=[1, 2, 3, 4, 5, 6])
print(list[1:3])
print(list[3])
print("===\n")
list = MyCustomListV1(list=[1, 2, 3, 4, 5, 6])
print(list[1:3])
print(list[3])
If run it, I get the output:
[2, 3]
4
===
[2, 3]
4
--
T
ent than in the body of __init__ method? Can you
elaborate this?
--
Thanks,
Arup Rakshit
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ate this to educate me please?
doc said:
> This method should either return the (computed) attribute value or
raise an AttributeError exception.
Another question:
My question is that: Can I raise a domain error like
OperationNotPermitted when raising i
On 23/04/19 10:08 PM, Steven D'Aprano wrote:
On Tue, Apr 23, 2019 at 08:27:15PM +0530, Arup Rakshit wrote:
You probably want:
def __init__(self, list=None):
if list is None:
list = []
self.list = list
That is really a new thing to me. I didn&#
are other reasons of this setup?
import fine_grained_module
fine_grained_module.foo = "foo”
# Setting foo…
repr(fine_grained_module)
# 'Verbose fine_grained_module'
Thanks,
Arup Rakshit
a...@zeit.io
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On 25/04/19 3:52 AM, Alan Gauld via Tutor wrote:
On 24/04/2019 12:22, Arup Rakshit wrote:
In the simple code like what are the advantages we get from?
I'm not really sure what you are asking about?
Ok. My question is that when people add such a class to the module? What
is the goal/inte
On 25/04/19 1:21 PM, Steven D'Aprano wrote:
On Thu, Apr 25, 2019 at 11:30:28AM +0530, Arup Rakshit wrote:
On 25/04/19 3:52 AM, Alan Gauld via Tutor wrote:
On 24/04/2019 12:22, Arup Rakshit wrote:
In the simple code like what are the advantages we get from?
I'm not really sure wh
izzapy import menu
Traceback (most recent call last):
File "", line 1, in
File "/Users/aruprakshit/python_playground/pizza-shop/pizzapy/menu.py", line
2, in
from pizza import Pizza
ModuleNotFoundError: No module named 'pizza'
>>>
What is the reaso
On 26/04/19 11:10 AM, Steven D'Aprano wrote:
On Thu, Apr 25, 2019 at 02:52:07PM +0530, Arup Rakshit wrote:
Here it is: *3.3.2.1. Customizing module attribute access*
(https://docs.python.org/3/reference/datamodel.html#customizing-module-attribute-access)
Oh! That's brand new in 3.7,
On 26/04/19 8:58 PM, Alan Gauld via Tutor wrote:
On 26/04/2019 13:48, Arup Rakshit wrote:
BTW, one thing I would like to know about this list is that, everytime I
send an email I see it the in list after 2 hours approx. Is this for me
or everybody? I am just curious.
Just for you! ...And
On 26/04/19 10:58 AM, Steven D'Aprano wrote:
On Thu, Apr 25, 2019 at 05:40:18PM +0530, Arup Rakshit wrote:
I have a small app like this:
Please simplify your code to the minimum needed to demonstrate the
problem you are asking about. This bit is excellent:
pizza-shop$ tree .
.
└── pi
case. So if
anyone can explain this, I will be very helpful.
Thanks,
Arup Rakshit
a...@zeit.io
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ooks like some magic is going on under the hood.
Can anyone please explain this how self.name and self.email assignment is
called the __set__ from NonBlank? What is the name of this concept?
Thanks,
Arup Rakshit
a...@zeit.io
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On 29/04/19 11:40 PM, Steven D'Aprano wrote:
On Mon, Apr 29, 2019 at 11:25:51PM +0530, Arup Rakshit wrote:
Now I am not getting how the __set__() method from NonBlank is being
called inside the __init__() method. Looks like some magic is going on
under the hood. Can anyone please explain
re I think I hit the wall everytime.
Python doesn't work the way I am thinking it, and I am far behind of this.
--
Thanks,
Arup Rakshit
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On 30/04/19 5:11 AM, Steven D'Aprano wrote:
On Tue, Apr 30, 2019 at 12:47:02AM +0530, Arup Rakshit wrote:
I really didn't write that code by myself. The day I'll you will not see
me here everyday :) . I was watching a PyCon video
https://youtu.be/81S01c9zytE?t=8172 where the a
how these search happens in 2 contexts.
Thanks,
Arup Rakshit
a...@zeit.io
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self.permissions = 0
Here, why super(Role, self).__init__(**kwargs) is used instead of
super().__init__(**kwargs) ? What that Role and self argument is instructing
the super() ?
Thanks,
Arup Rakshit
a...@zeit.io
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> On 19-May-2019, at 4:46 AM, Mark Lawrence wrote:
>
> On 18/05/2019 17:21, Arup Rakshit wrote:
>> I am writing an Flask app following a book, where a piece of python concept
>> I am not getting how it works. Code is:
>> class Role(db.Model):
>>
n object at 0x10e078128>
>>> p = Person(11)
>>> p.dob
11
Although I marked dob as date type, why am I able to assign it an int? So my
question how does type annotation helps, when should we use them and what
advantages it brings?
Thanks,
Arup Rakshit
a...@zeit.io
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