関連ワード:  python replace all whitespace with underscore    python replace all whitespace with single space    python replace all whitespace with empty string    python replace all whitespace with space    python replace all spaces with comma    python replace all spaces with _    python regex replace all whitespace with single space    python replace all whitespace    python replace all whitespace in string    python replace all whitespace characters  
結果 : python replace all whitespace with underscore