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set.add()

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Definition
Add an element to a set.

Syntax
set(y).add(x)

Parameters
x=Number, string, iterable
y=Number, string, iterable

Examples
The method add the item to the set1.
 >>>set1={3,45,344,66}
>>>set1.add(22)
>>>print(set1)
>>> 
{344, 66, 3, 45, 22}
>>> 

set.copy()
The method return the copy of Decimal items of set(a)
 >>> from decimal import Decimal
>>> a=set()
>>> a.add(Decimal(1).adjusted())
>>> a.add(Decimal(.55).canonical())
>>> a.add(Decimal(-1).compare_signal(1))
>>> a
{0, Decimal('0.5500000000000000444089209850062616169452667236328125'), Decimal('-1')}
>>> b=set()
>>> b.add(Decimal(1).compare_total(2))
>>> b.add(Decimal(0.1).copy_abs())
>>> b
{Decimal('0.1000000000000000055511151231257827021181583404541015625'), Decimal('-1')}

>>> a={0, Decimal('0.5500000000000000444089209850062616169452667236328125'), Decimal('-1')}

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