Fonctions

Introduction à Python

Hugo Bowne-Anderson

Data Scientist at DataCamp

Fonctions

  • Rien de nouveau !

  • type()

  • Bloc de code réutilisable

  • Résout une tâche précise

  • Appelez une fonction au lieu d'écrire le code vous-même

Introduction à Python

Exemple

fam = [1.73, 1.68, 1.71, 1.89]
fam

[1.73, 1.68, 1.71, 1.89]

max(fam)

1.89

ch_3_1_slides.012.png

Introduction à Python

Exemple

fam = [1.73, 1.68, 1.71, 1.89]
fam

[1.73, 1.68, 1.71, 1.89]

max(fam)

1.89

ch_3_1_slides.013.png

Introduction à Python

Exemple

fam = [1.73, 1.68, 1.71, 1.89]
fam

[1.73, 1.68, 1.71, 1.89]

max(fam)

1.89

ch_3_1_slides.014.png

Introduction à Python

Exemple

fam = [1.73, 1.68, 1.71, 1.89]
fam

[1.73, 1.68, 1.71, 1.89]

max(fam)

1.89

tallest = max(fam)
tallest

1.89
Introduction à Python

round()

round(1.68, 1)

1.7

round(1.68)

2

help(round) # Ouvrir la documentation

Help on built-in function round in module builtins:

round(number, ndigits=None)
    Round a number to a given precision in decimal digits.

    The return value is an integer if ndigits is omitted or None. 
    Otherwise the return value has the same type as the number. ndigits may be negative.
Introduction à Python

round()

help(round)

Help on built-in function round in module builtins:

round(number, ndigits=None)
    Round a number to a given precision in decimal digits.

    The return value is an integer if ndigits is omitted or None. 
    Otherwise the return value has the same type as the number. ndigits may be negative.

ch_3_1_slides.026.png

Introduction à Python

round()

help(round)

Help on built-in function round in module builtins:

round(number, ndigits=None)
    Round a number to a given precision in decimal digits.

    The return value is an integer if ndigits is omitted or None. 
    Otherwise the return value has the same type as the number. ndigits may be negative.

ch_3_1_slides.027.png

Introduction à Python

round()

help(round)

Help on built-in function round in module builtins:

round(number, ndigits=None)
    Round a number to a given precision in decimal digits.

    The return value is an integer if ndigits is omitted or None. 
    Otherwise the return value has the same type as the number. ndigits may be negative.

ch_3_1_slides.028.png

Introduction à Python

round()

help(round)

Help on built-in function round in module builtins:

round(number, ndigits=None)
    Round a number to a given precision in decimal digits.

    The return value is an integer if ndigits is omitted or None. 
    Otherwise the return value has the same type as the number. ndigits may be negative.

ch_3_1_slides.029.png

Introduction à Python

round()

help(round)

Help on built-in function round in module builtins:

round(number, ndigits=None)
    Round a number to a given precision in decimal digits.

    The return value is an integer if ndigits is omitted or None. 
    Otherwise the return value has the same type as the number. ndigits may be negative.

ch_3_1_slides.030.png

Introduction à Python

round()

help(round)

Help on built-in function round in module builtins:

round(number, ndigits=None)
    Round a number to a given precision in decimal digits.

    The return value is an integer if ndigits is omitted or None. 
    Otherwise the return value has the same type as the number. ndigits may be negative.

ch_3_1_slides.031.png

Introduction à Python

round()

help(round)

Help on built-in function round in module builtins:

round(number, ndigits=None)
    Round a number to a given precision in decimal digits.

    The return value is an integer if ndigits is omitted or None. 
    Otherwise the return value has the same type as the number. ndigits may be negative.

ch_3_1_slides.032.png

Introduction à Python

round()

help(round)

Help on built-in function round in module builtins:

round(number, ndigits=None)
    Round a number to a given precision in decimal digits.

    The return value is an integer if ndigits is omitted or None. 
    Otherwise the return value has the same type as the number. ndigits may be negative.

ch_3_1_slides.033.png

Introduction à Python

round()

help(round)

Help on built-in function round in module builtins:

round(number, ndigits=None)
    Round a number to a given precision in decimal digits.

    The return value is an integer if ndigits is omitted or None. 
    Otherwise the return value has the same type as the number. ndigits may be negative.

ch_3_1_slides.034.png

Introduction à Python

round()

help(round)

Help on built-in function round in module builtins:

round(number, ndigits=None)
    Round a number to a given precision in decimal digits.

    The return value is an integer if ndigits is omitted or None. 
    Otherwise the return value has the same type as the number. ndigits may be negative.

ch_3_1_slides.035.png

Introduction à Python

round()

help(round)

Help on built-in function round in module builtins:

round(number, ndigits=None)
    Round a number to a given precision in decimal digits.

    The return value is an integer if ndigits is omitted or None. 
    Otherwise the return value has the same type as the number. ndigits may be negative.

ch_3_1_slides.036.png

Introduction à Python

round()

help(round)

Help on built-in function round in module builtins:

round(number, ndigits=None)
    Round a number to a given precision in decimal digits.

    The return value is an integer if ndigits is omitted or None. 
    Otherwise the return value has the same type as the number. ndigits may be negative.

ch_3_1_slides.037.png

Introduction à Python

round()

help(round)

Help on built-in function round in module builtins:

round(number, ndigits=None)
    Round a number to a given precision in decimal digits.

    The return value is an integer if ndigits is omitted or None. 
    Otherwise the return value has the same type as the number. ndigits may be negative.
  • round(number)
  • round(number, ndigits)
Introduction à Python

Trouver des fonctions

  • Comment savoir ?

  • Tâche courante → une fonction existe sans doute !

  • Internet est votre ami

Introduction à Python

Passons à la pratique !

Introduction à Python

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