Add days_ago

snippets/days_ago.md

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+---
+title: days_ago
+tags: date,intermediate
+---
+
+Calculates the date of `n` days ago from today.
+
+- Use `datetime.date.today()` to get the current day.
+- Use `datetime.timedelta` to subtract `n` days from today's date.
+
+```py
+from datetime import timedelta, date
+
+def days_ago(n):
+  return date.today() - timedelta(n)
+```
+
+```py
+days_ago(5) # date(2020, 10, 23)
+```