&gt; x &lt;- list&#40;foo = 1:4, bar = 0.6&#41;
A. x[[1]]
B. x[1]
C. x[[0]]
D. None of the mentioned
Answer:A
&gt; x &lt;- list&#40;foo = 1:4, bar = 0.6&#41;
A. x[[1]] B. x[1] C. x[[0]] D. None of the mentioned
Explanation:The [[ operator can also use named indices so that you don’t have to remember the exact ordering of every element of the list. 2. Point out the correct statement :