21 lines
371 B
Markdown
21 lines
371 B
Markdown
---
|
|
title: Count occurrences
|
|
type: snippet
|
|
tags: [list]
|
|
cover: pineapple-at-work
|
|
dateModified: 2021-01-10T00:00:36+02:00
|
|
---
|
|
|
|
Counts the occurrences of a value in a list.
|
|
|
|
- Use `list.count()` to count the number of occurrences of `val` in `lst`.
|
|
|
|
```py
|
|
def count_occurrences(lst, val):
|
|
return lst.count(val)
|
|
```
|
|
|
|
```py
|
|
count_occurrences([1, 1, 2, 1, 2, 3], 1) # 3
|
|
```
|