Set in python

Set in javascript

let mySet = new Set()

mySet.add(1)           // Set [ 1 ]
mySet.add(5)           // Set [ 1, 5 ]
mySet.add(5)           // Set [ 1, 5 ]
mySet.add('some text') // Set [ 1, 5, 'some text' ]
let o = {a: 1, b: 2}
mySet.add(o)

mySet.add({a: 1, b: 2})   // o is referencing a different object, so this is okay

mySet.has(1)              // true
mySet.has(3)              // false, since 3 has not been added to the set
mySet.has(5)              // true
mySet.has(Math.sqrt(25))  // true
mySet.has('Some Text'.toLowerCase()) // true
mySet.has(o)       // true

mySet.size         // 5

mySet.delete(5)    // removes 5 from the set
mySet.has(5)       // false, 5 has been removed

mySet.size         // 4, since we just removed one value

console.log(mySet)
// logs Set(4) [ 1, "some text", {…}, {…} ] in Firefox
// logs Set(4) { 1, "some text", {…}, {…} } in Chrome

Source: developer.mozilla.org

Python set

# A set contains unique elements of which the order is not important
s = set()
s.add(1)
s.add(2)
s.remove(1)
print(s)
# Can also be created from a list (or some other data structures)
num_list = [1,2,3]
set_from_list = set(num_list)

How to add in python

a = int(input())
b = int(input())
s = a+b
print(S)

How to make default kwargs in python

self.val2 = kwargs.get('val2',"default value")

Source: stackoverflow.com

Set in python

a = {1, 3, 4, 5, 1}
print(type(a))
print(a)

b = {1, 2, 6, 7, 2, 2, 2}
print(type(b))
print(b)

Set in python

#Definition: A collection of values (similiar spirit to python dictionary) 
#			 implementing hash table as a data structure underneath the hood.

Source: stackoverflow.com

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