Question 1: Write code to find the number of times a certain character appears in the string. Below is the sample execution of the code. E.g. inside the string apple, the character p appears 2 times. Question 2: Create a Dog class just like we designed the pencil and...
Question:Continue to program the code so the back(<-) button can work: when you click the back button, it will delete the last digit or decimal. However if there’s only one digit left and that digit is not 0, it will change into 0. check the calculator...
Question： Using split and join function of the list to change string "green,red,yellow,blue," into string: "green light* red light* yellow light* blue light* " Hint: >>> vegetables = "carrots, potatoes, onions, leeks, celery" >>> # string.split(separator) will split the string by separator, for example: >>> vegetables = vegetables.split(", ") >>> print(vegetables) ['carrots', 'potatoes', 'onions',...
Question(Use Stack to solve the following question): You are given a binary string, (string which contains 0's and 1's), You have to perform several operations on this string, in one operation choose a non-empty even length substring containing only 0's or only 1's and remove it from the...
Question: Kenny wants to go trick-or-treating too! But the street has many spooky decorations put up on it. Kenny doesn’t like to be scared, so he avoids spooky areas. There are L houses arranged in a line on the street, numbered from 1 to L. Each house...
Question: Modify the program we made in the class. Add starting screen as below, the real game will start when play click the mouse in the range of the “PLAY” button. (Scroll down for more hint) You can download the background images from below: The size of the...