diff --git a/Cargo.lock b/Cargo.lock
index e62854d..ca92199 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -296,6 +296,17 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
 
+[[package]]
+name = "getrandom"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "wasi",
+]
+
 [[package]]
 name = "gfx"
 version = "0.18.3"
@@ -960,6 +971,15 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "280dc24453071f1b63954171985a0b0d30058d287960968b9b2aca264c8d4ee6"
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
+dependencies = [
+ "zerocopy",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "0.4.30"
@@ -1067,7 +1087,7 @@ checksum = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
 dependencies = [
  "autocfg 0.1.8",
  "libc",
- "rand_chacha",
+ "rand_chacha 0.1.1",
  "rand_core 0.4.2",
  "rand_hc",
  "rand_isaac",
@@ -1078,6 +1098,17 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha 0.3.1",
+ "rand_core 0.6.4",
+]
+
 [[package]]
 name = "rand_chacha"
 version = "0.1.1"
@@ -1088,6 +1119,16 @@ dependencies = [
  "rand_core 0.3.1",
 ]
 
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.6.4",
+]
+
 [[package]]
 name = "rand_core"
 version = "0.3.1"
@@ -1103,6 +1144,15 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
 
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "rand_hc"
 version = "0.1.0"
@@ -1448,7 +1498,7 @@ checksum = "e47de81184793b9a77ac66cd33ee32fe6620de957a0f3e8c5e25d218ebdeb348"
 dependencies = [
  "interpolation",
  "piston_window",
- "rand",
+ "rand 0.6.5",
  "serde",
  "serde_derive",
  "serde_json",
@@ -1460,6 +1510,7 @@ name = "ulohy"
 version = "0.1.0"
 dependencies = [
  "pyo3",
+ "rand 0.8.5",
  "turtle",
 ]
 
@@ -1506,6 +1557,12 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
 [[package]]
 name = "wayland-client"
 version = "0.21.13"
@@ -1716,3 +1773,24 @@ name = "xml-rs"
 version = "0.8.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af310deaae937e48a26602b730250b4949e125f468f11e6990be3e5304ddd96f"
+
+[[package]]
+name = "zerocopy"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
+dependencies = [
+ "byteorder",
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
+dependencies = [
+ "proc-macro2 1.0.92",
+ "quote 1.0.37",
+ "syn 2.0.89",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 59732c8..d34a7a5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,4 +8,5 @@ opt-level = 3
 
 [dependencies]
 pyo3 = { version = "0.23.3", features = ["auto-initialize"] }
+rand = "0.8.5"
 turtle = "1.0.0-rc.3"
diff --git a/src/u8.rs b/src/u8.rs
index da0f5d9..4dc2933 100644
--- a/src/u8.rs
+++ b/src/u8.rs
@@ -1 +1,24 @@
-pub fn main() {}
+pub fn main() {
+    let mut a1 = 0;
+    let mut a2 = 0;
+    let mut a3 = 0;
+    let mut a4 = 0;
+    let mut a5 = 0;
+    
+    for _ in 0..30 {
+        let randnum = rand::random::<f32>();
+        let randnum = randnum * 5.0;
+        let randnum = randnum as i32;
+        
+        match randnum {
+            0 => a1 += 1,
+            1 => a2 += 1,
+            2 => a3 += 1,
+            3 => a4 += 1,
+            4 => a5 += 1,
+            _ => panic!("Invalid number"),
+        }
+    }
+    
+    println!("a1: {}, a2: {}, a3: {}, a4: {}, a5: {}", a1, a2, a3, a4, a5);
+}