Add temperature convertor

temperature_convertor/src/main.rs

@@ -0,0 +1,23 @@
+use std::io;
+use std::process::exit;
+
+fn main() {
+    let mut fahr = String::new();
+
+    println!("Input fahrenheit number:");
+    io::stdin().read_line(&mut fahr).expect("Failed to read user input");
+
+    // let fahr: f64 = fahr.trim().parse().expect("Not a number!");
+    let fahr: f64 = match fahr.trim().parse() {
+        Ok(num) => num,
+        Err(_) => {
+            println!("Can't work with that!");
+            exit(1);
+        }
+    };
+
+
+    let celsius = (fahr - 32.0) / 1.8;
+
+    println!("{} Fahrenheit is {} in Degrees Celsius", fahr, celsius);
+}