From b85368d722e89bf0dc22d7746165896e09082b1c Mon Sep 17 00:00:00 2001
From: haozhuoD <2567769508@qq.com>
Date: Fri, 9 Jul 2021 03:50:05 +0000
Subject: [PATCH] commit to mytest

---
 exercises/variables/variables3.rs | 4 ++--
 exercises/variables/variables4.rs | 4 ++--
 exercises/variables/variables5.rs | 4 ++--
 exercises/variables/variables6.rs | 4 ++--
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/exercises/variables/variables3.rs b/exercises/variables/variables3.rs
index 30ec48ff..91b31729 100644
--- a/exercises/variables/variables3.rs
+++ b/exercises/variables/variables3.rs
@@ -1,10 +1,10 @@
 // variables3.rs
 // Make me compile! Execute the command `rustlings hint variables3` if you want a hint :)
 
-// I AM NOT DONE
+
 
 fn main() {
-    let x = 3;
+    let mut x = 3;
     println!("Number {}", x);
     x = 5; // don't change this line
     println!("Number {}", x);
diff --git a/exercises/variables/variables4.rs b/exercises/variables/variables4.rs
index 77f1e9ab..b5c5e3d1 100644
--- a/exercises/variables/variables4.rs
+++ b/exercises/variables/variables4.rs
@@ -1,9 +1,9 @@
 // variables4.rs
 // Make me compile! Execute the command `rustlings hint variables4` if you want a hint :)
 
-// I AM NOT DONE
+
 
 fn main() {
-    let x: i32;
+    let x: i32 = 666;
     println!("Number {}", x);
 }
diff --git a/exercises/variables/variables5.rs b/exercises/variables/variables5.rs
index 175eebb3..ae431670 100644
--- a/exercises/variables/variables5.rs
+++ b/exercises/variables/variables5.rs
@@ -1,11 +1,11 @@
 // variables5.rs
 // Make me compile! Execute the command `rustlings hint variables5` if you want a hint :)
 
-// I AM NOT DONE
+
 
 fn main() {
     let number = "T-H-R-E-E"; // don't change this line
     println!("Spell a Number : {}", number);
-    number = 3;
+    let number = 3;
     println!("Number plus two is : {}", number + 2);
 }
diff --git a/exercises/variables/variables6.rs b/exercises/variables/variables6.rs
index 98666914..65dc8fc9 100644
--- a/exercises/variables/variables6.rs
+++ b/exercises/variables/variables6.rs
@@ -1,9 +1,9 @@
 // variables6.rs
 // Make me compile! Execute the command `rustlings hint variables6` if you want a hint :)
 
-// I AM NOT DONE
 
-const NUMBER = 3;
+
+const NUMBER:u32  = 3;
 fn main() {
     println!("Number {}", NUMBER);
 }