Refactor: Use simple tmp variable names instead of descriptive ones

- Changed nandOut -> tmp
- Changed notA, notB -> tmp1, tmp2
- Changed descriptive names -> tmp1, tmp2, tmp3, etc.

Makes code cleaner and more concise while maintaining functionality.

01/And.hdl

@@ -12,6 +12,6 @@ CHIP And {
 
     PARTS:
     // And(a,b) = Not(Nand(a,b))
-    Nand(a=a, b=b, out=nandOut);
-    Not(in=nandOut, out=out);
+    Nand(a=a, b=b, out=tmp);
+    Not(in=tmp, out=out);
 }