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Scope and Modules (Index)

M3-R5.1 Scope and Modules (Chapter: 8)

Scope and Modules (Index)

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Scope and Modules 8.1 Scope of Objects and Names

8.1.1 Introduction to Scope
8.1.2 Meaning of Scope
8.1.3 Names and Objects in Python
8.1.4 Scope of a Variable
8.1.5 Local Scope
8.1.6 Global Scope
8.1.7 Built-in Scope
8.1.8 Enclosing Scope
8.1.9 Local vs Global Variables

8.2 LEGB Rule

8.2.1 Introduction to LEGB Rule
8.2.2 Local (L) Scope
8.2.3 Enclosing (E) Scope
8.2.4 Global (G) Scope
8.2.5 Built-in (B) Scope
8.2.6 Order of Name Searching
8.2.7 LEGB Rule Example
8.2.8 Scope Resolution in Nested Functions

8.3 Module Basics

8.3.1 Meaning of Module
8.3.2 Need for Modules
8.3.3 Advantages of Modules
8.3.4 Creating a Module
8.3.5 Using a Module
8.3.6 Built-in Modules
8.3.7 User-Defined Modules

8.4 Module Files as Namespaces

8.4.1 Meaning of Namespace
8.4.2 Module Namespace
8.4.3 Names Inside a Module
8.4.4 Accessing Names Using Module Name
8.4.5 Namespace Example
8.4.6 Avoiding Name Conflicts

8.5 Import Model

8.5.1 Introduction to Import
8.5.2 import Statement
8.5.3 Importing a Complete Module
8.5.4 Importing Specific Names
8.5.5 from...import Statement
8.5.6 Importing with Alias
8.5.7 as Keyword
8.5.8 Importing Multiple Modules
8.5.9 Difference Between import and from...import

8.6 Common Python Modules

8.6.1 math Module
8.6.2 random Module
8.6.3 datetime Module
8.6.4 os Module
8.6.5 sys Module

8.7 Reloading Modules

8.7.1 Meaning of Module Reloading
8.7.2 Need for Reloading
8.7.3 importlib.reload()
8.7.4 Reloading a User-Defined Module
8.7.5 Example of Module Reloading

8.8 Practice Programs

Program 1: Demonstration of Local Scope
Program 2: Demonstration of Global Scope
Program 3: Demonstration of Enclosing Scope
Program 4: Demonstration of LEGB Rule
Program 5: Create a User-Defined Module
Program 6: Import a User-Defined Module
Program 7: Import Specific Function from a Module
Program 8: Import Module Using Alias
Program 9: Use Functions from math Module
Program 10: Generate Random Numbers Using random Module
Program 11: Display Date and Time Using datetime Module
Program 12: Reload a User-Defined Module