5,321
edits
Python: Difference between revisions
→Dictionaries
| Line 230: | Line 230: | ||
# Check if a key is in a dictionary | # Check if a key is in a dictionary | ||
# O(1) | # O(1) | ||
"1" in my_map | |||
"1" in | |||
# Check if a value is in a dictionary | # Check if a value is in a dictionary | ||
# Usually you should have a second dictionary if you need this functionality | # Usually you should have a second dictionary if you need this functionality | ||
# O(n) | # O(n) | ||
' | 'a' in d.values() | ||
</syntaxhighlight> | </syntaxhighlight> | ||