関連ワード:  python 'str' object has no attribute 'startswith'    attributeerror 'str' object has no attribute 'startswith'    python attributeerror 'str' object has no attribute 'startswith'    attributeerror 'str' object has no attribute 'startswith'. did you mean 'startswith'  
結果 : python 'str' object has no attribute 'startswith'