#' Say Hello Function
#'
#' Relax, this function just want to sing a song for you. If you happen to know what song it is singing, shoot Diheng an email! He will take you out for a coffee.
#' @param say a dummy variable, has no influence on the program
#' @keywords hello
#' @export
#' @examples
#' say_hello()
say_hello <- function(say = TRUE) {
print("Say hello, oh, oh, oh oh oh!...")
}
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