In Python's list of native constants , you can find Ellipsis .
print(Ellipsis, type(Ellipsis)) #-> (Ellipsis, <type 'ellipsis'>)
In Python 3, there is still the syntactic sugar ... representing Ellipsis .
pr...
The two multiplications, 2*i*i and 2*(i*i) , are equal and should generate the same result, which only changes is the order that the multiplications are made, but apparently they are treated differently by the interpreter. >
In th...
I've created a list:
usuarios = ['123\n','123\n4']
I tried to convert index 0 to integer using int()
int(usuarios[0])
Result:
123
But when I tried to do the same with index 1:
int(usuarios[1])
result:
ValueError:...
I'm studying descritores in Python and I found that they should be implemented as atributos de classe for example:
class Descriptor:
def __init__(self, obj):
self.obj = obj
def __get__(self, instance, owner=None...
It is common to need to initialize a list in Python with a defined amount of elements and we can do this in two ways: 1) multiplying the list with one element by the desired quantity; or 2) use the list comprehensions technique.
Note:...
The module documentation typing states that the two code snippets below are equivalent.
Using typing.NamedTuple :
from typing import NamedTuple
class Employee(NamedTuple):
name: str
id: int
Using collections.na...