In Python, ** is the exponentiation operator, so 2 ** 3 is 2 raised to the power of 3.

The len() function returns the number of items in a list.

In Python, ** is the exponentiation operator, so 2**3 is 2 raised to the power of 3.

In Python, int() converts a numeric string to an integer.

In Python, len() is used to get the number of elements in a list.

def keyword is used to define functions in Python.

In Python, input() is used to take user input as a string.

In Python, an identifier cannot start with a digit.

In Python, variable names can contain letters, numbers, and underscores but cannot start with a number.

In Python, for loops are commonly used to iterate over lists.

In Python, list is mutable, while tuple, string, and int are immutable.

In Python, except is used to handle exceptions that occur in a try block.

In Python, [] represents an empty list, so type([]) returns .

In Python, len() counts all characters including spaces.

In Python, strings are immutable, meaning their contents cannot be changed.