12: Add solution for "quiz2".

Dependencies

• [2] H6XH45OP 0

Change contents

• edit in exercises/quiz2.rs at line 9
  [2.112108]→[2.112108:112126](∅→∅)
  −

  − // I AM NOT DONE
• replacement in exercises/quiz2.rs at line 18
  [2.112248]→[2.112248:112621](∅→∅)
  − ???("blue");

  − ???("red".to_string());

  − ???(String::from("hi"));

  − ???("rust is fun!".to_owned());

  − ???("nice weather".into());

  − ???(format!("Interpolation {}", "Station"));

  − ???(&String::from("abc")[0..1]);

  − ???(" hello there ".trim());

  − ???("Happy Monday!".to_string().replace("Mon", "Tues"));

  − ???("mY sHiFt KeY iS sTiCkY".to_lowercase());
  [2.112248]

  [2.112621]
  + string_slice("blue");

  + string("red".to_string());

  + string(String::from("hi"));

  + string("rust is fun!".to_owned());

  + string("nice weather".into());

  + string(format!("Interpolation {}", "Station"));

  + string_slice(&String::from("abc")[0..1]);

  + string_slice(" hello there ".trim());

  + string("Happy Monday!".to_string().replace("Mon", "Tues"));

  + string("mY sHiFt KeY iS sTiCkY".to_lowercase());