demonstrate variables further (#7)

Author: syedabdullahbukhari77

2_variables.c 02_variables.c2_variables.c renamed to 02_variables.c

@@ -11,4 +11,4 @@ int main() {
   printf("%f\n", myFloatNum);
   printf("%c\n", myLetter);
   return 0;
-}
+}