code in python a.) Suppose that x and y are variable names that already refer to Boolean values. Write an expression (not a statement!) that evaluates to True iff x or y, but not both, are True. b.) Suppose that x, y, and z are variable names that already refer to Boolean values. Write an expression (not a statement!) that evaluates to True iff at least one of the three variables (x, y, z) is False.

code in python a.) Suppose that x and y are variable names that already refer to Boolean values. Write an expression (not a statement!) that evaluates to True iff x or y, but not both, are True. b.) Suppose that x, y, and z are variable names that already refer to Boolean values. Write an expression (not a statement!) that evaluates to True iff at least one of the three variables (x, y, z) is False.

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter5: Control Structures Ii (repetition)

Section: Chapter Questions

Problem 30PE

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A. Suppose that x and y are variable names that already refer to Boolean values.Write an expression (not a statement!) that evaluates to True iff at least oneof the variables is False.# TODO: Write your expression hereB. Suppose that x, y, and z are variable names that already refer to Boolean values.Write an expression (not a statement!) that evaluates to True iffat least two of the three variables (x, y, z) are True.# TODO: Write your expression here
ASuppose that x and y are variable names that already refer to Boolean values.Write an expression (not a statement!) that evaluates to True iff at least oneof the variables is False.B.Suppose that x, y, and z are variable names that already refer to Boolean values.Write an expression (not a statement!) that evaluates to True iffat least two of the three variables (x, y, z) are True.C. Consider the following function headers and type contracts:def aragorn(x: int, y: str, z: float) -> str:def gandalf(x: list) -> list:def elrond(x: list, y: bool) -> bool:If the following code runs without errors, what is a header and type contractfor treebeard?a = aragorn(11, 'good', 2.0)b = treebeard(5, gandalf([1, 2, 3]), a)print(elrond(gandalf([4, 5]), b))Write the header and type contract for treebeard.
2. Express the following Boolean expressions in simpler form; that is, use fewer operators. x is an int. (e) x 20
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