đặc biệt "- Jeremy Jones, Đồng tác giả của Python cho Unix và Linux Quản trị hệ thống" David Griffiths và Paul Barry đã chế tác đá quý mới nhất trong series Head First. Bạn có sử dụng một máy tính, nhưng mệt mỏi luôn luôn sử dụng phần mềm của người khác? | textual data These are some of the many built-in string methods that come with Python. Match each method to what it does. We ve done one for you already Method What the method does .jpg Return a copy of the string with all occurrences of one substring replaced by another. Return a copy of the string converted to lowercase. Return the value True if the string has the given substring at the beginning. tomorrow Tuesday Return the value True if the string has the given substring at the end. Return the first index value when the given substring is found. python Return a copy of the string with the leading and trailing whitespace removed. HTML Return a copy of the string converted to uppercase. Which of the above methods do you need to use to locate the price substring within the Beans R Us web page you are here 4 55 find the right method Which of the above methods do you need to use to locate the price substring within the Beans R Us web page The wfind w method 56 Chapter 2 textual data You need to update your price-grabbing program so that it extracts the four-character substring that follows the occurence of the characters. Write the new version of your code in the space provided. Hints Don t forget that the find method finds the starting position of a substring. Once you ve found use Python s addition operator to calculate where in the string you want to extract the substring. The addition operator is the symbol. what yỶ really looking coffee beans strong strong p p Price valid for you are here 4 .
