codewars Kata——RGB To Hex Conversion问题

代码

# -*- coding: utf-8 -*-
"""
codewars Kata: RGB To Hex Conversion

Created on Sun Jan  3 15:42:25 2021

@author: Pray
"""
def toHex(n):
    if(n <= 0): return '00'
    elif(n >= 255): return 'FF'
    a = int(n / 16)
    b = n % 16
    if (a > 9): a = chr(a + 55) 
    if (b > 9): b = chr(b + 55) 
    return str(a) + str(b)

def rgb(r, g, b):
    return toHex(r) + toHex(g) + toHex(b)

网上大神的代码

def rgb(r, g, b):
    round = lambda x: min(255, max(x, 0))
    return ("{:02X}" * 3).format(round(r), round(g), round(b))