diff --git a/src/main.rs b/src/main.rs
index 0bb2fc0..8e7172c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,129 +1,142 @@
 #[macro_use]
 extern crate clap;
-extern crate indicatif;
 extern crate console;
+extern crate indicatif;
 
 use clap::{App, SubCommand};
-use indicatif::{ProgressBar};
 use console::{style, Emoji};
-use std::process::Command;
+use indicatif::ProgressBar;
 use std::fs::remove_file;
+use std::process::Command;
 
 fn main() {
-  let matches = App::new("r2")
-      .version(crate_version!())
-      .author("Olivia Hugger")
-      .about("Test")
-      .subcommand(SubCommand::with_name("verify").alias("v"))
-      .get_matches();
+    let matches = App::new("r2")
+        .version(crate_version!())
+        .author("Olivia Hugger")
+        .about("Test")
+        .subcommand(SubCommand::with_name("verify").alias("v"))
+        .subcommand(SubCommand::with_name("run").alias("r"))
+        .get_matches();
 
-  println!(r#"                 _   _ _                  "#);
-  println!(r#"  _ __ _   _ ___| |_| (_)_ __   __ _ ___  "#);
-  println!(r#" | '__| | | / __| __| | | '_ \ / _` / __| "#);
-  println!(r#" | |  | |_| \__ \ |_| | | | | | (_| \__ \ "#);
-  println!(r#" |_|   \__,_|___/\__|_|_|_| |_|\__, |___/ "#);
-  println!(r#"                               |___/      "#);
-  println!("");
-  
-  if let Some(_) = matches.subcommand_matches("verify") {
-    compile_only("exercises/ex1.rs");
-    compile_only("exercises/ex2.rs");
-    compile_only("exercises/ex3.rs");
-    compile_only("exercises/ex4.rs");
-    compile_only("exercises/ex5.rs");
+    println!(r#"                 _   _ _                  "#);
+    println!(r#"  _ __ _   _ ___| |_| (_)_ __   __ _ ___  "#);
+    println!(r#" | '__| | | / __| __| | | '_ \ / _` / __| "#);
+    println!(r#" | |  | |_| \__ \ |_| | | | | | (_| \__ \ "#);
+    println!(r#" |_|   \__,_|___/\__|_|_|_| |_|\__, |___/ "#);
+    println!(r#"                               |___/      "#);
+    println!("");
 
-    compile_only("exercises/variables/variables1.rs");
-    compile_only("exercises/variables/variables2.rs");
-    compile_only("exercises/variables/variables3.rs");
-    compile_only("exercises/variables/variables4.rs");
+    if let Some(_) = matches.subcommand_matches("verify") {
+        compile_only("exercises/ex1.rs");
+        compile_only("exercises/ex2.rs");
+        compile_only("exercises/ex3.rs");
+        compile_only("exercises/ex4.rs");
+        compile_only("exercises/ex5.rs");
 
-    compile_only("exercises/functions/functions1.rs");
-    compile_only("exercises/functions/functions2.rs");
-    compile_only("exercises/functions/functions3.rs");
-    compile_only("exercises/functions/functions4.rs");
-    compile_only("exercises/functions/functions5.rs");
+        compile_only("exercises/variables/variables1.rs");
+        compile_only("exercises/variables/variables2.rs");
+        compile_only("exercises/variables/variables3.rs");
+        compile_only("exercises/variables/variables4.rs");
 
-    compile_only("exercises/primitive_types/primitive_types1.rs");
-    compile_only("exercises/primitive_types/primitive_types2.rs");
-    compile_only("exercises/primitive_types/primitive_types3.rs");
-    compile_only("exercises/primitive_types/primitive_types4.rs");
-    compile_only("exercises/primitive_types/primitive_types5.rs");
-    compile_only("exercises/primitive_types/primitive_types6.rs");
+        compile_only("exercises/functions/functions1.rs");
+        compile_only("exercises/functions/functions2.rs");
+        compile_only("exercises/functions/functions3.rs");
+        compile_only("exercises/functions/functions4.rs");
+        compile_only("exercises/functions/functions5.rs");
 
-    test("exercises/tests/tests1.rs");
-    test("exercises/tests/tests2.rs");
-    test("exercises/tests/tests3.rs");
-    test("exercises/tests/tests4.rs");
+        compile_only("exercises/primitive_types/primitive_types1.rs");
+        compile_only("exercises/primitive_types/primitive_types2.rs");
+        compile_only("exercises/primitive_types/primitive_types3.rs");
+        compile_only("exercises/primitive_types/primitive_types4.rs");
+        compile_only("exercises/primitive_types/primitive_types5.rs");
+        compile_only("exercises/primitive_types/primitive_types6.rs");
 
-    test("exercises/if/if1.rs");
+        test("exercises/tests/tests1.rs");
+        test("exercises/tests/tests2.rs");
+        test("exercises/tests/tests3.rs");
+        test("exercises/tests/tests4.rs");
 
-    compile_only("exercises/strings/strings1.rs");
-    compile_only("exercises/strings/strings2.rs");
-    compile_only("exercises/strings/strings3.rs");
+        test("exercises/if/if1.rs");
 
-    compile_only("exercises/move_semantics/move_semantics1.rs");
-    compile_only("exercises/move_semantics/move_semantics2.rs");
-    compile_only("exercises/move_semantics/move_semantics3.rs");
-    compile_only("exercises/move_semantics/move_semantics4.rs");
+        compile_only("exercises/strings/strings1.rs");
+        compile_only("exercises/strings/strings2.rs");
+        compile_only("exercises/strings/strings3.rs");
 
-    compile_only("exercises/modules/modules1.rs");
-    compile_only("exercises/modules/modules2.rs");
+        compile_only("exercises/move_semantics/move_semantics1.rs");
+        compile_only("exercises/move_semantics/move_semantics2.rs");
+        compile_only("exercises/move_semantics/move_semantics3.rs");
+        compile_only("exercises/move_semantics/move_semantics4.rs");
 
-    compile_only("exercises/macros/macros1.rs");
-    compile_only("exercises/macros/macros2.rs");
-    compile_only("exercises/macros/macros3.rs");
-    compile_only("exercises/macros/macros4.rs");
+        compile_only("exercises/modules/modules1.rs");
+        compile_only("exercises/modules/modules2.rs");
 
-    test("exercises/error_handling/errors1.rs");
-    test("exercises/error_handling/errors2.rs");
-    test("exercises/error_handling/errors3.rs");
-    test("exercises/error_handling/errorsn.rs");
-    compile_only("exercises/error_handling/option1.rs");
-    test("exercises/error_handling/result1.rs");
-  }
+        compile_only("exercises/macros/macros1.rs");
+        compile_only("exercises/macros/macros2.rs");
+        compile_only("exercises/macros/macros3.rs");
+        compile_only("exercises/macros/macros4.rs");
+
+        test("exercises/error_handling/errors1.rs");
+        test("exercises/error_handling/errors2.rs");
+        test("exercises/error_handling/errors3.rs");
+        test("exercises/error_handling/errorsn.rs");
+        compile_only("exercises/error_handling/option1.rs");
+        test("exercises/error_handling/result1.rs");
+    }
 }
 
 fn compile_only(filename: &str) {
-  let bar = ProgressBar::new_spinner();
-  bar.set_message(format!("Compiling {}...", filename).as_str());
-  bar.enable_steady_tick(100);
-  let compilecmd = Command::new("rustc")
-                           .args(&[filename, "-o", "temp"])
-                           .output()
-                           .expect("fail");
-  bar.finish_and_clear();
-  if compilecmd.status.success() {
-    let formatstr = format!("{} Successfully compiled {}!", Emoji("✅", "✓"), filename);
-    println!("{}", style(formatstr).green());
-    clean().unwrap();
-  } else {
-    let formatstr = format!("{} Compilation of {} failed! Compiler error message:\n", Emoji("⚠️ ", "!"), filename);
-    println!("{}", style(formatstr).red());
-    println!("{}", String::from_utf8_lossy(&compilecmd.stderr));
-    clean().unwrap();
-    std::process::exit(1);
-  }
+    let bar = ProgressBar::new_spinner();
+    bar.set_message(format!("Compiling {}...", filename).as_str());
+    bar.enable_steady_tick(100);
+    let compilecmd = Command::new("rustc")
+        .args(&[filename, "-o", "temp"])
+        .output()
+        .expect("fail");
+    bar.finish_and_clear();
+    if compilecmd.status.success() {
+        let formatstr = format!(
+            "{} Successfully compiled {}!",
+            Emoji("✅", "✓"),
+            filename
+        );
+        println!("{}", style(formatstr).green());
+        clean().unwrap();
+    } else {
+        let formatstr = format!(
+            "{} Compilation of {} failed! Compiler error message:\n",
+            Emoji("⚠️ ", "!"),
+            filename
+        );
+        println!("{}", style(formatstr).red());
+        println!("{}", String::from_utf8_lossy(&compilecmd.stderr));
+        clean().unwrap();
+        std::process::exit(1);
+    }
 }
 
 fn test(filename: &str) {
-  let bar = ProgressBar::new_spinner();
-  bar.set_message(format!("Testing {}...", filename).as_str());
-  bar.enable_steady_tick(100);
-  let testcmd = Command::new("rustc")
-                        .args(&["--test", filename, "-o", "temp"])
-                        .output()
-                        .expect("fail");
-  bar.finish_and_clear();
-  if testcmd.status.success() {
-    let formatstr = format!("{} Successfully tested {}!", Emoji("✅", "✓"), filename);
-    println!("{}", style(formatstr).green());
-    clean().unwrap();
-  } else {
-    let formatstr = format!("{} Testing of {} failed! Please try again.", Emoji("⚠️ ", "!"), filename);
-    println!("{}", style(formatstr).red());
-    clean().unwrap();
-    std::process::exit(1);
-  }
+    let bar = ProgressBar::new_spinner();
+    bar.set_message(format!("Testing {}...", filename).as_str());
+    bar.enable_steady_tick(100);
+    let testcmd = Command::new("rustc")
+        .args(&["--test", filename, "-o", "temp"])
+        .output()
+        .expect("fail");
+    bar.finish_and_clear();
+    if testcmd.status.success() {
+        let formatstr = format!("{} Successfully tested {}!", Emoji("✅", "✓"), filename);
+        println!("{}", style(formatstr).green());
+        clean().unwrap();
+    } else {
+        let formatstr = format!(
+            "{} Testing of {} failed! Please try again.",
+            Emoji("⚠️ ", "!"),
+            filename
+        );
+        println!("{}", style(formatstr).red());
+        clean().unwrap();
+        std::process::exit(1);
+    }
 }
 
 fn clean() -> Result<(), std::io::Error> {