1.5.2

Boolean & Assignment Operators 2

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Boolean Operators

Boolean operators perform logical operations and always result in True or False values.

And

And

  • 'and' evaluates to True only if both operands are True.
    • True and True = True.
    • True and False = False.
    • False and True = False.
    • False and False = False.
Or

Or

  • 'or' evaluates to True if any of the two operands are True:
    • True or True = True.
    • True or False = True.
    • False or True = True.
    • False or False = False.
Not

Not

  • 'not' negates a logical value.
    • not True = False.
    • not False = True.

Assignment Operators

Assignment operators allow us to give a variable a value, or to update its value.

Assignment

Assignment

  • Assignment is done using the = operator. For example:
    • x = 50
Updating

Updating

  • We can also use special assignment operators to update the value of a variable, for example:
    • x += 50 is the same as x = x + 50
    • x %= 50 is the same as x = x % 50
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1

Introduction to Python

1.1

Python

1.1.1Python
1.2

Input & Output

1.2.1Input & Output
1.3

Data Types

1.3.1Data Types
1.4

Variables & Constants

1.4.1Variables & Constants
1.5

Operators

1.5.1Arithmetic & Relational Operators1.5.2Boolean & Assignment Operators 2
1.6

Program Flow

1.6.1Selection1.6.2Iteration
2

Data Structures

2.1

Lists & Strings

2.1.1Lists2.1.2Strings
2.2

File Handling

2.2.1File Handling
3

Modularity

3.1

Subroutines

3.1.1Subroutines
3.2

Data Flow

3.2.1Data Flow
4

Good Practice

4.1

Naming & Whitespace

4.1.1Identifiers4.1.2Whitespace
4.2

Comments

4.2.1Comments
4.3

Exceptions

4.3.1Exceptions

Practice questions on Boolean & Assignment Operators 2

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  1. 1
    Which boolean operator takes only a single operand?Multiple choice
  2. 2
    False or True<br/> What does the above statement evaluate to?Multiple choice
  3. 3
    Which of these statements are equivalent to x = x - 5?Multiple choice
  4. 4
    What will be the final value of x?<br/><br/> x = 10<br/> x %= 3Multiple choice
  5. 5
    Which of the following are valid assignment operators?True / false
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Arithmetic & Relational Operators

Selection