Moved exercises to exercises because exercises

31_switch2.zig

@@ -1,42 +0,0 @@
-//
-// What's really nice is that you can use a switch statement as an
-// expression to return a value.
-//
-//     var a = switch (x) {
-//         1 => 9,
-//         2 => 16,
-//         3 => 7,
-//         ...
-//     }
-//
-const std = @import("std");
-
-pub fn main() void {
-    const lang_chars = [_]u8{ 26, 9, 7, 42 };
-
-    for (lang_chars) |c| {
-        var real_char: u8 = switch (c) {
-            1  => 'A',
-            2  => 'B',
-            3  => 'C',
-            4  => 'D',
-            5  => 'E',
-            6  => 'F',
-            7  => 'G',
-            8  => 'H',
-            9  => 'I',
-            10 => 'J',
-            // ...
-            25 => 'Y',
-            26 => 'Z',
-            // As in the last exercise, please add the "else" clause
-            // and this time, have it return an exclamation mark "!".
-        };
-
-        std.debug.print("{c}", .{real_char});
-        // Note: "{c}" forces print() to display the value as a character.
-        // Can you guess what happens if you remove the "c"? Try it!
-    }
-
-    std.debug.print("\n", .{});
-}