Question: We have learned infix, prefix and postfix, please write the missing prefix and postfix in the table blow: infix prefix postfix A+B +AB AB+ A+B*C +A*BC ABC*+ (A+B)*C *+ABC AB+C* A+B*C+D ++A*BCD ABC*+D+ (A+B)*(C+D) A*B+C*D A+B+C+D ...
Question: Please use stack knowledge to solve the following question: Balanced parentheses means that each opening symbol has a corresponding closing symbol and the pairs of parentheses are properly nested. Consider the following correctly balanced strings of parentheses: (()()()()) (((()))) (()((())())) Compare those with the following, which are not balanced: ((((((()) ())) (()()(() Write an...
Question: Being able to send encoded messages during World War II was very important to the Allies. The messages were always sent after being encoded with a known password. Having a fixed password was of course insecure, thus there was a need to change it frequently....
Question: Annie has two favourite baseball teams: the Eagle and the Warrior. She has followed them throughout the season, which is now over. The season lasted for N days. Both teams played exactly one game on each day. For each day, Annie recorded the number of runs scored by...
Question: Create Card class so it can complete the following tasks: You can initial the card with value. you can compare two cards' value by method lessThan() and equal() you can use print(c1) shows the card value (Assume the smallest card value is 2, then followed by...
Question: We have known the __add__(self, other) to get called on add operation using+ operator, please finish the following math methods of Fraction class: __sub__(self, other) To get called on subtraction operation using – operator. __mul__(self, other) To get called on multiplication operation using * operator. ...
Question 1: Create a dictionary variable personalInfo. The keys will be the information to be filled, such as: name, age, address, etc. The values is the personal detailed info, such as: Kevin, 19, 123 King St, etc. Question 2: From the dictionary created above, make two lists (make sure...
Question: A common problem in mathematics is to determine which quadrant a given point lies in. There are four quadrants, numbered from 1 to 4, as shown in the diagram below: For example, the point A, which is at coordinates (12, 5) lies in quadrant 1 since...
Problem Description Suppose we have a number like 12. Let’s define shifting a number to mean adding a zero at the end. For example, if we shift that number once, we get the number 120. If we shift the number again we get the number 1200....
Question: A fish-finder is a device used by anglers to find fish in a lake. If the fish-finder finds a fish, it will sound an alarm. It uses depth readings to determine whether to sound an alarm. For our purposes, the fish-finder will decide that a...