Brouillon - Python

Python

Debug

https://www.youtube.com/watch?v=HHrVBKZLolg

V env

https://sametmax.com/les-environnement-virtuels-python-virtualenv-et-virtualenvwrapper/

Basic

https://sametmax.com/trier-un-csv-de-5-go/

Asserthttps://sametmax.com/programmation-par-contrat-avec-assert/

[expression for element in sequence]

[element.upper() for element in sequence]print(['a' * nombre for nombre in sequence])sequence = [(nombre, list(range(nombre))) for nombre in sequence]

if is_ok: print(welcome) else: print(error) print(welcome if is_ok else error)

String

Source : /usr/share/apport/package-hooks/source_apparmor.py

import codecs def stringify(s): '''Converts a byte array into a unicode string''' return codecs.latin_1_decode(s)[0]

lambda

https://www.journaldev.com/37089/how-to-compare-two-lists-in-python https://realpython.com/python-lambda/

Other module

from itertools import groupbyfrom collections import defaultdict

Doc

pydocen format textepython3 -m pydoc mon_modulepython3 -m pydoc mon_module.ma_fonctionen format htmlpython3 -m pydoc -w mon_modulepython3 -m pydoc -w mon_module.ma_fonction

IPython

python3 -m IPython

POO

https://marshmallow.readthedocs.io/en/latest/

Les dataclasses

Voir https://sametmax.com/python-3-7-sort-de-sa-coquille/

from dataclasses import dataclass @dataclass class Achat: produit: str prix: float quantite: int = 0

Trio

https://sametmax.com/super-article-invite-sur-trio-que-lauteur-a-oublie-de-titrer/

Linter / Formater

https://sametmax.com/once-you-go-black-you-never-go-back/ https://linuxfr.org/news/python-partie-9-formateur-de-code-analyse-statique

IDE

https://sametmax.com/je-fais-mon-coming-out/

Autres

import sys import math from contextlib import redirect_stdout def compute_join_point(s_1, s_2): # Write your code here # To debug: print("Debug messages...", file=sys.stderr, flush=True) return 0 # Ignore and do not change the code below def main(): s_1 = int(input()) s_2 = int(input()) with redirect_stdout(sys.stderr): res = compute_join_point(s_1, s_2) print(res) if __name__ == "__main__": main()
import sys import math from contextlib import redirect_stdout def find_network_endpoint(start_node_id, from_ids, to_ids): # Write your code here # To debug: print("Debug messages...", file=sys.stderr, flush=True) return 0 # Ignore and do not change the code below def main(): start_node_id = int(input()) n = int(input()) #from_ids = [int(i) for i in input().split()] #to_ids = [int(i) for i in input().split()] from_ids = [1 7 3 4 2 6 9] to_ids = [3 3 4 6 6 9 5] with redirect_stdout(sys.stderr): endPointId = find_network_endpoint(start_node_id, from_ids, to_ids) print(end_point_id) if __name__ == "__main__": main() 1 7 3 4 2 6 9 3 3 4 6 6 9 5 --------------------------

Touch file

open(new_file_path, "wb").close() # create new file in working tree