> f <- function ( num = 1 ) { + hello <- "He...

✅ The verified answer to this question is available below. Our community-reviewed solutions help you understand the material better.

> f <- function(num = 1) {
+        hello <- "Hello, world!\n"
+        for(i in seq_len(num)) {
+                cat(hello)
+         }
+         chars <- nchar(hello) *
 num
+
         chars
+ }
> f()

Hello, world!
[1] 14

Hello, world!
[1] 15

Hello, world!
[1] 16

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