[Example] - Adding a fahrenheit to celsius cli program

.gitignore

@@ -21,3 +21,4 @@ Cargo.lock
 #.idea/
 **/target
 **/debug
+main

fahrenheit_to_celsius/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "fahrenheit_to_celsius"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

fahrenheit_to_celsius/src/main.rs

@@ -0,0 +1,10 @@
+use std::env;
+fn main() {
+    let args: Vec<String> = env::args().collect();
+    let farenheight_input:String = args[1].clone();
+    let farenheight:f32 = farenheight_input
+        .parse()
+        .expect("No input entered");
+    let celsius = (farenheight - 32.0) * (5.0 / 9.0);
+    println!("F = {}, C = {}",farenheight,celsius);
+}