Functies

Introductie tot Python

Hugo Bowne-Anderson

Data Scientist at DataCamp

Functies

  • Niks nieuws!

  • type()

  • Stukje herbruikbare code

  • Lost een specifieke taak op

  • Gebruik een functie in plaats van zelf code te schrijven

Introductie tot Python

Voorbeeld

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

Introductie tot Python

Voorbeeld

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

Introductie tot Python

Voorbeeld

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

Introductie tot Python

Voorbeeld

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
Introductie tot Python

round()

round(1.68, 1)
1.7
round(1.68)
2
help(round) # Open up 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.
Introductie tot 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

Introductie tot 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

Introductie tot 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

Introductie tot 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

Introductie tot 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

Introductie tot 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

Introductie tot 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

Introductie tot 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

Introductie tot 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

Introductie tot 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

Introductie tot 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

Introductie tot 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

Introductie tot 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)
Introductie tot Python

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  • Standaardtaak -> waarschijnlijk bestaat er een functie voor!

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Introductie tot Python

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Introductie tot Python

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