# Python CodeRecipe|sort()の使い方

# sort()の例1

Sort the list alphabetically:

    cars = ['Ford', 'BMW', 'Volvo']
    cars.sort()

# sort()の定義及び使い方

sort()関数はリストを昇順にソートします。デフォルトでは、。また、並べ替え条件を決定する関数を作成することもできます。

# sort()の構文

list.sort(reverse=True|False, key=myFunc)

# sort()の引数

パラメータ説明

reverse オプション. reverse=True will sort the list descending. Default is reverse=False

key オプション. A function to specify the sorting criteria(s)

# Example

Sort the list descending:

    cars = ['Ford', 'BMW', 'Volvo']
    cars.sort(reverse=True)

# Example

Sort the list by the length of the values:

    # A function that returns the length of the value:def myFunc(e):  return len(e)
cars = ['Ford', 'Mitsubishi', 'BMW', 'VW']
    cars.sort(key=myFunc)

# Example

Sort a list of dictionaries based on the "year" value of the dictionaries:

    # A function that returns the 'year' value:def myFunc(e):  
    return e['year']cars = [  {'car': 'Ford', 'year': 2005},  
    {'car': 'Mitsubishi', 'year': 2000},  {'car': 'BMW', 'year': 2019},  
    {'car': 'VW', 'year': 2011}]cars.sort(key=myFunc)

# Example

Sort the list by the length of the values and reversed:

    # A function that returns the length of the value:def myFunc(e):  return len(e)
cars = ['Ford', 'Mitsubishi', 'BMW', 'VW']
    cars.sort(reverse=True, key=myFunc)

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