[EXTERNAL] added pub as it's expected from the import in main.rs

subjects/inv_pyramid/README.md

@@ -26,7 +26,7 @@ i = 5
 ### Expected Functions
 
 ```rust
-fn inv_pyramid(v: String, i: u32) -> Vec<String> {}
+pub fn inv_pyramid(v: String, i: u32) -> Vec<String> {}
 ```
 
 ### Usage

subjects/own_and_return/README.md

@@ -31,12 +31,8 @@ Here is a possible program to test your function:
 ```rust
 use own_and_return::*;
 
-pub struct Film {
-    pub name: String,
-}
-
 fn main() {
-    let my_film = Film { name: "Terminator".toString() };
+    let my_film = Film { name: "Terminator".to_string() };
     println!("{}", take_film_name(/* to be implemented */));
     // the order of the print statements is intentional, if your implementation is correct,
     // you should have a compile error because my_film was consumed

subjects/own_and_return/main.rs

@@ -1,12 +1,8 @@
 use own_and_return::*;
 
-pub struct Film {
-    pub name: String,
-}
-
 fn main() {
     let my_film = Film {
-        name: "Terminator".toString(),
+        name: "Terminator".to_string(),
     };
     println!("{}", take_film_name(/* to be implemented */));
     // the order of the print statements is intentional, if your implementation is correct,