List days$\_$list$1$ is created with the first two integers read from input. Then, list days$\_$list$2$ is created with the last two integers read from input. Create a list called days$\_$list$3$ that concatenates days$\_$list$2$ to the end of days$\_$list$1.$

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Ex: If the input is:

$13$

$4$

$12$

$6$

then the output is:

$[13,4,12,6]$