feat: add for-else tag (#1643)

* feat: add for-else tag

Co-authored-by: Joe Banks <[email protected]>
Co-authored-by: Xithrius <[email protected]>

1 files changed, 17 insertions, 0 deletions

diff --git a/bot/resources/tags/for-else.md b/bot/resources/tags/for-else.md
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+**for-else**
+
+In Python it's possible to attach an `else` clause to a for loop. The code under the `else` block will be run when the iterable is exhausted (there are no more items to iterate over). Code within the else block will **not** run if the loop is broken out using `break`.
+
+Here's an example of its usage:
+```py
+numbers = [1, 3, 5, 7, 9, 11]
+
+for number in numbers:
+    if number % 2 == 0:
+        print(f"Found an even number: {number}")
+        break
+    print(f"{number} is odd.")
+else:
+    print("All numbers are odd. How odd.")
+```
+Try running this example but with an even number in the list, see how the output changes as you do so.