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authorGravatar Galen Rice <[email protected]>2024-04-16 12:26:15 -0400
committerGravatar GitHub <[email protected]>2024-04-16 12:26:15 -0400
commit8b56a83968f40278e4ba3b42daf3027ec92bfb78 (patch)
treebbb422f9b0770ab246f179edd9e7ff7e629ab043
parentfeat: tag loop-remove (diff)
fix: condense some whitespace around code blocks
-rw-r--r--bot/resources/tags/loop-remove.md4
1 files changed, 0 insertions, 4 deletions
diff --git a/bot/resources/tags/loop-remove.md b/bot/resources/tags/loop-remove.md
index 0fb22a06b..8245c7d93 100644
--- a/bot/resources/tags/loop-remove.md
+++ b/bot/resources/tags/loop-remove.md
@@ -3,7 +3,6 @@ embed:
title: "Removing items inside a for loop"
---
Avoid removing items from a collection, such as a list, as you iterate that collection in a `for` loop:
-
```py
# Don't do this!
data = [1, 2, 3, 4]
@@ -13,9 +12,7 @@ for item in data:
print(data)
# [2, 4] # <- every OTHER item was removed!
```
-
`for` loops track the index of the current item with a kind of pointer. Removing an element causes all other elements to shift, but the pointer is not changed:
-
```py
# Start the loop:
[1, 2, 3, 4] # First iteration: point to the first element
@@ -28,7 +25,6 @@ print(data)
^
# Done
```
-
You can avoid this pitfall by:
- using a list comprehension to produce a new list (as a way of filtering items):
```py