【KataDaily 20220105】String repeat（字符重复）

题目：

Description:

Write a function called repeatStr which repeats the given string string exactly n times.

repeatStr(6, "I") // "IIIIII"
repeatStr(5, "Hello") // "HelloHelloHelloHelloHello"

自答：

def repeat_str(repeat, string):
    return "".join([string for i in range(repeat)])

高赞回答：

def repeat_str(repeat, string):
    return repeat * string