word <- "code"
# A string is one value: split it into characters
chars <- strsplit(word, "")[[1]]
# The loop takes the elements, no index needed
# prints c, o, d, e one per line
for (ch in chars) {
cat(ch, "\n")
}
# Each character with its index
numbered <- paste(seq_along(chars), chars)
# Reverse iteration
# prints e, d, o, c one per line
for (ch in rev(chars)) {
cat(ch, "\n")
}
cat("numbered =", numbered, "\n")
# numbered = 1 c 2 o 3 d 4 e