L1-L3

IDE

Integrated Development Environment, where code is written.

Syntax

Arrangement of words and phrases to create well-formed sentences in a language.

Syntax Errors

A character or string incorrectly placed in a command or instruction that causes a failure in execution.

Run-Time Errors

Detected errors while the program is running.

Name Errors

When a variable or function is not found.

Print

Prints a string.

Input

Allows the user to enter a string or integer.

Str

Turns an integer into a string if added to another string.

Int

Identifies an integer.

Function

A sub-program that performs a specific task.

Function Body

The block of code after the function header.

Def

The first word in the function header.

Colon (:)

Must appear at the end of the function header.

Built-in Functions

Functions that come as part of Python.

Function Call

A special line that causes the flow of control to switch to the first line inside the function body.

Flow of Control

The sequence in which lines of code are executed.

Function Definition

A function header and a function body.

Modular Functions

Break tasks into smaller functions.

Variables

Memory locations used to store data, named by the programmer.

Assignment Operator (=)

The equal sign; assigns the value on the right-hand side to the variable on the left-hand side.

Expressions

Can be a literal value or a combination of values and operators.

Addition (+)

Arithmetic operator for addition.

Subtraction (-)

Arithmetic operator for subtraction.

Multiplication (*)

Arithmetic operator for multiplication.

/ (Division)

Arithmetic operator for division.

Variable Naming Rules

Guidelines for naming variables in programming.

No spaces or special characters

Variable names cannot contain spaces or special characters.

Case-sensitive

Variable names are case-sensitive, meaning 'ISBN' and 'isbn' are different.

Reserved keywords

Avoid using reserved keywords like print or def as variable names.

Example of function call

An example of calling a function to execute it.

Example of syntax error

An example where the syntax of the code leads to an error during execution.

Example of run-time error

An example illustrating an error that occurs while the program is running.

Example of name error

An example where a variable or function cannot be found.

Example of variable assignment

An example demonstrating how to assign values to variables.

Example of using built-in functions

An example showing how to use a built-in function in Python.

Example of modular functions

An example showing how to create smaller functions for specific tasks.

Example of print function

An example of using the print function to display output.