Hello Programmers/Coders, Today we are going to share solutions of Programming problems of HackerRank of Programming Language Python. At Each Problem with Successful submission with all Test Cases Passed, you will get an score or marks. And after solving maximum problems, you will be getting stars. This will highlight your profile to the recruiters.
In this post, you will find the solution for Symmetric Difference in Python-HackerRank Problem. We are providing the correct and tested solutions of coding problems present on HackerRank. If you are not able to solve any problem, then you can take help from our Blog/website.
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Introduction To Python
Python is a widely-used, interpreted, object-oriented, and high-level programming language with dynamic semantics, used for general-purpose programming. It was created by Guido van Rossum, and first released on February 20, 1991.
Python is a computer programming language often used to build websites and software, automate tasks, and conduct data analysis. It is also used to create various machine learning algorithm, and helps in Artificial Intelligence. Python is a general purpose language, meaning it can be used to create a variety of different programs and isn’t specialized for any specific problems. This versatility, along with its beginner-friendliness, has made it one of the most-used programming languages today. A survey conducted by industry analyst firm RedMonk found that it was the most popular programming language among developers in 2020.
Link for the Problem – Symmetric Difference in Python – HackerRank Solution
Symmetric Difference in Python – HackerRank Solution
Objective
Today, we’re learning about a new data type: sets.
Concept
If the inputs are given on one line separated by a character (the delimiter), use split() to get the separate values in the form of a list. The delimiter is space (ascii 32) by default. To specify that comma is the delimiter, use string.split(‘,’). For this challenge, and in general on HackerRank, space will be the delimiter.
Usage:
>> a = raw_input() 5 4 3 2 >> lis = a.split() >> print (lis) ['5', '4', '3', '2']
If the list values are all integer types, use the map() method to convert all the strings to integers.
>> newlis = list(map(int, lis)) >> print (newlis) [5, 4, 3, 2]
Sets are an unordered collection of unique values. A single set contains values of any immutable data type.
CREATING SETS
>> myset = {1, 2} # Directly assigning values to a set
>> myset = set() # Initializing a set
>> myset = set(['a', 'b']) # Creating a set from a list
>> myset
{'a', 'b'}
MODIFYING SETS
Using the add() function:
>> myset.add('c')
>> myset
{'a', 'c', 'b'}
>> myset.add('a') # As 'a' already exists in the set, nothing happens
>> myset.add((5, 4))
>> myset
{'a', 'c', 'b', (5, 4)}
Using the update() function:
>> myset.update([1, 2, 3, 4]) # update() only works for iterable objects
>> myset
{'a', 1, 'c', 'b', 4, 2, (5, 4), 3}
>> myset.update({1, 7, 8})
>> myset
{'a', 1, 'c', 'b', 4, 7, 8, 2, (5, 4), 3}
>> myset.update({1, 6}, [5, 13])
>> myset
{'a', 1, 'c', 'b', 4, 5, 6, 7, 8, 2, (5, 4), 13, 3}
REMOVING ITEMS
Both the discard() and remove() functions take a single value as an argument and removes that value from the set. If that value is not present, discard() does nothing, but remove() will raise a KeyError exception.
>> myset.discard(10)
>> myset
{'a', 1, 'c', 'b', 4, 5, 7, 8, 2, 12, (5, 4), 13, 11, 3}
>> myset.remove(13)
>> myset
{'a', 1, 'c', 'b', 4, 5, 7, 8, 2, 12, (5, 4), 11, 3}
COMMON SET OPERATIONS Using union(), intersection() and difference() functions.
>> a = {2, 4, 5, 9}
>> b = {2, 4, 11, 12}
>> a.union(b) # Values which exist in a or b
{2, 4, 5, 9, 11, 12}
>> a.intersection(b) # Values which exist in a and b
{2, 4}
>> a.difference(b) # Values which exist in a but not in b
{9, 5}
The union() and intersection() functions are symmetric methods:
>> a.union(b) == b.union(a) True >> a.intersection(b) == b.intersection(a) True >> a.difference(b) == b.difference(a) False
These other built-in data structures in Python are also useful.
Task
Given sets of integers, and , print their symmetric difference in ascending order. The term symmetric difference indicates those values that exist in either or but do not exist in both.
Input Format
The first line of input contains an integer, .
The second line contains space-separated integers.
The third line contains an integer, .
The fourth line contains space-separated integers.
Output Format
Output the symmetric difference integers in ascending order, one per line.
Sample Input
STDIN Function
----- --------
4 set a size M = 4
2 4 5 9 a = {2, 4, 5, 9}
4 set b size N = 4
2 4 11 12 b = {2, 4, 11, 12}
Sample Output
5 9 11 12
Symmetric Difference in Python – HackerRank Solution
# Enter your code here. Read input from STDIN. Print output to STDOUT
# Symmetric Difference in Python - Hacker Rank Solution START
M = int(input())
mset = set(map(int, input().split()))
N = int(input())
nset = set(map(int, input().split()))
mdef = mset.difference(nset)
ndef = nset.difference(mset)
output = mdef.union(ndef)
for i in sorted(list(output)):
print(i)
# Symmetric Difference in Python - Hacker Rank Solution END
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