题解 | #替换空格#

#
# 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
#
# 
# @param s string字符串 
# @return string字符串
#
class Solution:
    def replaceSpace(self , s: str) -> str:
        s1 = " "
        s_list = list(s)
        for n in range(len(s_list)):
            if s1 == s_list[n]:
                s_list[n] = "%20"
        return "".join(s_list)


        # write code here