CodeWars Python Solutions

Form The Largest

Task

Given a number , Return The Maximum number could be formed from the digits of the number given.

Notes

Only Natural numbers passed to the function , numbers Contain digits [0:9] inclusive
Digit Duplications could occur , So also consider it when forming the Largest

Input >> Output Examples:

maxNumber (213) ==> return (321)

Explanation:

As 321 is The Maximum number could be formed from the digits of the number 213.

maxNumber (7389) ==> return (9873)

Explanation:

As 9873 is The Maximum number could be formed from the digits of the number 7389.

maxNumber (63729) ==> return (97632)

Explanation:

As 97632 is The Maximum number could be formed from the digits of the number 63729.

maxNumber (566797) ==> return (977665)

Explanation:

As 977665 is The Maximum number could be formed from the digits of the number 566797.

Note : Digit duplications are considered when forming the largest.

maxNumber (17693284) ==> return (98764321)

Explanation:

As 98764321 is The Maximum number could be formed from the digits of the number 17693284.

def max_number(n):
    pass

def max_number(n):
    return int("".join(sorted([i for i in str(n)], reverse=True)))