why wont this code run?

Question

I want to get this code to run for my home work but when I run it nothing happens. the code is 

a = [4,8,15,16,23,42]

a[1:3]

Answer 1

a=[4,8,15,16,23,42]
b=a[1:3]
print(b)

output

[8, 15]

Comments

why do you think b=a[1:3]

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You only asked for a[1:3] in question??m

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otherwise you can take  directly as
print(a[1:3])
it will also work

Answer 2

This won't work in C++ if that is your langauge of choice.

Answer 3

You have to use the print command to display something. Right now you are not printing something.

Answer 4

Your code is not exactly wrong. It's just that you need to do something with that part of a list. Either assign it to a variable

suba = a[1:3]

 or print it out in console if you'd like

print(a[1:3])

Answer 5

#include<iostream>using

namespace std;

int main()

{

cin>>"a=[4,8,15,16,23,42]" ;

function declaration

a[1:3]=b

cout<<"b"<< ;

Return 0;

}

Comments

cin function is not declare properly because in this function we get user input and write it without double quotes.function declaration word is not used in c++ because it a word to declare a variable.a[] funtion is writen in false way to aasign the value of b to the a[1:3].cout funtion is used but what we can ptint just word b? so the value must b used that we want to see in output.

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So, can i then write it in the format below;
#include <iostream>

using namespace std;

int main()

{
cin >>a=[4,8,15,16,23,42] ;

a[1:3]=b

cout <<b<< ;

Return 0;

}