/Python/Python sort list by custom function

Python sort list by custom function

Python sort a list by a custom order

# Example usage:
list_to_sort = [('U', 23), ('R', 42), ('L', 17, 'D')]
custom_sort_order = ['R', 'D', 'L', 'U']
sorted(list_to_sort, key=lambda list_to_sort: custom_sort_order.index(list_to_sort[0]))
# Where 0 is the tuple index to use for sorting by custom order
--> [('R', 42), ('L', 17, 'D'), ('U', 23)]

Source: stackoverflow.com

Python sort list by custom function

from functools import cmp_to_key
sorted(mylist, key=cmp_to_key(lambda item1, item2: fitness(item1) - fitness(item2)))

Source: stackoverflow.com

Python sort list by custom function

from functools import cmp_to_key
sorted(mylist, key=cmp_to_key(compare))

Source: stackoverflow.com

Similar codes

0 vote142 views1 answer
Python add hyphen to string
Python
0 vote117 views1 answer
Python print top 5 results of array
Python
10 votes202 views4 answers
Django q objects
Python Django
1 vote131 views2 answers
Check all values in dictionary python
Python
-2 votes128 views5 answers
Wow
Python
0 vote147 views1 answer
Fernet: Cannot decrypt strings saved in csv with pandas
Python
1 vote140 views1 answer
Python try/except loop
Python
5 votes132 views2 answers
Python ffmpeg
Python
7 votes133 views5 answers
Python randint
Python
105 votes149 views6 answers
Split string python
Python