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[PDF File]Unit 3: Boolean Expressions, if statements - Python Tutorial
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boolean goodHeight = height >= 78 && height < 84; //false boolean rich = salary >= 100000.0; //true NOTE: && is the “and” operator. We'll cover this in the next lecture. (A and B) is true if and only if both are true. 4 Relational expressions •Tests use relational operators: Operator Meaning Example Value == equals 1 + 1 == 2true!= does not equal 3.2 != 2.5true < less than 10 < 5 false ...
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[PDF File]Loops & Booleans
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• One good use of the indeﬁnite loop is to write interactive loops • Interactive loops allow a user to repeat certain portions of a program on demand • Remember how we said we needed a way for the computer to keep track of how many numbers had been entered? • Let’s use another accumulator, called count.
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[PDF File]Python Cheat Sheet - Programming with Mosh
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Boolean values can be True or False. Comments We use comments to add notes to our code. Good comments explain the hows and whys, not what the code does. That should be reflected in the code itself. Use comments to add reminders to yourself or other developers, or also explain your assumptions and the reasons you’ve written code in a certain way. # This is a comment and it won’t get ...
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[PDF File]If Statements and Booleans
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The simplest and most common form of boolean expression is the use a < in an if-statement as shown above. However, boolean is a full primitive type in Java, just like int and double. In the boolean type, there are only two possible values: true and false. We can have variables and expressions of type boolean, just has we have variables and expressions of type int and double. A boolean variable ...
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[PDF File]Making Decisions In Python
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Python Mathematical operator equivalent Meaning Example < < Less than 5 < 3 ... • Use when your program evaluates a Boolean expression and code will be executed only when the expression evaluates to true. If-Else: • Evaluate a Boolean expression (ask a question) • If the expression evaluates to true then execute the ‘body’ of the if. • If the expression evaluates to false then ...
boolean expression in python

[PDF File]Operators and Expressions
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Expressions in programming are like formulas in mathematics: both use values (in Python literals and names bound to values) to compute a result. But unlike mathematics, expressions in Python can compute results of a wide variety to types (e.g., boolean and string) not just mathematical results. In this chapter we will study the structure of expressions (their syntax) and the meaning of ...
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[PDF File]Python Activity 5: Boolean Expressions and Selection ...
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Group Application Questions: Use the Thonny IDE to check your work 1. Write a Boolean expression that tests if the value stored in the variable num1 is equal to the value stored in the variable num2. 2. Write a python program that sets a variable called isValid to a Boolean value. Then create an if
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How to use a boolean in python