let variable_name = value

var variable_name = value

variable_name : value

You declare a variable in Python by using the syntax: variable_name = value.

To repeat code multiple times.

To define a function in Python.

To create a loop for iteration.

To execute code conditionally based on a boolean expression.

For loops can only iterate over numbers in Python.

For loops in Python are used to create classes.

For loops in Python are used to define functions.

For loops in Python allow iteration over sequences and execute a block of code for each item.

Use 'readfile("filename.txt")' to read a file in Python.

Read a file by calling 'file.read()' directly without opening it.

Use 'open(file.txt)' to read a file in Python.

Use 'with open("filename.txt", "r") as file: content = file.read()' to read a file in Python.

The 'read' method reads a file line by line; 'readlines' reads the entire file at once.

The 'read' method can only be used on text files; 'readlines' can be used on binary files.

Both 'read' and 'readlines' return the same type of data.

The 'read' method returns a single string; 'readlines' returns a list of strings.

Exception handling is done using 'if' statements in Python.

Exception handling in Python is a way to manage errors using 'try' and 'except' blocks.

Exception handling in Python is only for syntax errors.

Python does not support exception handling.

throw ExceptionType('Error message')

raise 'Error message'

raise ExceptionType

raise ExceptionType('Error message')

Tuples can be modified after creation, while lists cannot.

Both lists and tuples are mutable sequences in Python.

Lists are mutable sequences, while tuples are immutable sequences in Python.

Lists are immutable sequences, while tuples are mutable sequences in Python.

Access elements using dictionary::key.

Use dictionary[key] or dictionary.get(key) to access elements.

Use dictionary.key to access elements.

Call dictionary.access(key) to retrieve values.