python--替换特殊字符

替换特殊字符：将‘\'’替换为空格

def check_quoto(str, n):    for i in range(len(str) - int(n)):npos_q = -1npos_b = -1        while keys[i + int(n)].count('\'') > 0:            npos_q = str[i + int(n)].find('\'')            npos_b = str[i + int(n)].find(' ')            keys[i + int(n)] = replaceString(str[i + int(n)], npos_q, ' ')        if npos_q >= 0 or npos_b > 0:            keys[i + int(n)] = '\'' + keys[i + int(n)] + '\''    return keys

def replaceString(string, num, replace):    string2 = ''    for i in range(len(string)):        if i == num:            string2 += replace        else:            string2 += string[i]    return string2