Computers and Technology, 31.03.2020 03:42 BEEFYTACO
2.21 Write an expression involving a three-letter string s that evaluates to a string whose characters are the characters of s in reverse order. If s is 'top', the expression should evaluate to 'pot'. 2.22 Write an expression involving string s containing the last and first name of a person— separated by a blank space—that evaluates to the person’s initials. If the string contained my first and last name, the expression would evaluate to 'LP'. 2.23 The range of a list of numbers is the largest difference between any two numbers in the list. Write a Python expression that computes the range of a list of numbers lst. If the list lst is, say, [3, 7, -2, 12], the expression should evaluate to 14 (the difference between 12 and -2). 2.24 Write the relevant Python expression or statement, involving a list of numbers lst and using list operators and methods for these specifications: (a) An expression that evaluates to the index of the middle element of lst (b) An expression that evaluates to the middle element of lst (c) A statement that sorts the list lst in descending order (d) A statement that removes the first number of list lst and puts it at the end 2.25 Add a pair of parentheses to each expression so that it evaluates to True. (a) 0 == 1 == 2 (b) 2 + 3 == 4 + 5 == 7 (c) 1 < -1 == 3 > 4
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Computers and Technology, 22.06.2019 23:00, brooklynmikestovgphx
Suppose s, t, and w are strings that have already been created inside main. write a statement or statements, to be added to main, that will determine if the lengths of the three strings are in order by length, smallest to largest. that is, your code should determine if s is strictly shorter than t, and if t is strictly shorter than w. if these conditions hold your code should print (the boolean value) true. if not, your code should print false. (strictly means: no ties) example: if s, t, and w are "cat", "hats", and "skies" your code should print true - their lengths are 3-4-5; but if s, t, and w are "cats" "shirt", and "trust", then print false - their lengths are 4-5-5 enter your code in the box below
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Computers and Technology, 24.06.2019 16:50, Ameilasmickle15
How many types of string types does python support?
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Computers and Technology, 25.06.2019 10:30, lamooothegoat
Select all that apply. select all functions of an operating system. displays a gui. allows you to multitask. allows you to use the software that you want to use. allows you to edit images. coordinates the interaction of hardware and software. defrags the hard drive. allocates the computer's resources. saves data. retrieves files. keeps confidential documents secure. copies information from one document to another.
Answers: 1
2.21 Write an expression involving a three-letter string s that evaluates to a string whose characte...
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