variable, function, for loop, if else

bash_minimum_example.sh

#!/bin/bash

function hi() {
    #no matter what get print out, it will get returned
    author=$1
    echo "${author}: \n"
    echo "hi,\n";
    echo "you";
}

#yingshaoxo="$(echo yingshaoxo)"
yingshaoxo="yingshaoxo"
var=$(hi $yingshaoxo)

echo -e $var
echo -e $var
echo -e "\n"

my_list=("dog" "human" "cat");
for word in ${my_list[@]}; do
    if [[ $word == "human" ]] ; then
        echo "${word} !!!"
    elif [[ $word == "dog" ]]; then
        echo "$word ."
    else
        echo $word
    fi
done

exit