전각문자(full-width) 로 변경 코드

def convert_full_witdh_char(line) :
    """
    Converts characters to full-width characters

    Args:
        line(string) : mixed characters(half-width, full-width))
    
    Return:
        string : only full-width characters exist
    """
    def convert(x):
        unicode_x = ord(x)
        if 0x21 <= unicode_x <=0x7E: # [A-Za-z0-9!"#$%&'()*+,./:;<=>?@\^_`{|}~-]
            return chr(unicode_x + 0XFEE0)
        elif unicode_x == 0x20: ## space
            return chr(0x3000)
        else:
            return x        
    full_width_ch = [convert(x) for x in line]
    return ''.join(full_width_ch)