関連ワード:  python check if list contains element    python check if list contains element with attribute    python check if list contains elements of another list    python check if list contains element with property    python check if list has element    python check if list has element at index    python check if list element contains string    python check if list element contains substring    python check if list contains item    python check if list element exists  
結果 : python check if list contains element