diff --git a/debugging.rs b/1.HelloWorld/debugging.rs
similarity index 100%
rename from debugging.rs
rename to 1.HelloWorld/debugging.rs
diff --git a/display.rs b/1.HelloWorld/display.rs
similarity index 100%
rename from display.rs
rename to 1.HelloWorld/display.rs
diff --git a/formattedPrint.rs b/1.HelloWorld/formattedPrint.rs
similarity index 100%
rename from formattedPrint.rs
rename to 1.HelloWorld/formattedPrint.rs
diff --git a/formatting.rs b/1.HelloWorld/formatting.rs
similarity index 100%
rename from formatting.rs
rename to 1.HelloWorld/formatting.rs
diff --git a/hello.rs b/1.HelloWorld/hello.rs
similarity index 100%
rename from hello.rs
rename to 1.HelloWorld/hello.rs
diff --git a/testcase.rs b/1.HelloWorld/testcase.rs
similarity index 100%
rename from testcase.rs
rename to 1.HelloWorld/testcase.rs