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

In Python, break is used to exit a loop prematurely.

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

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

In Python, comments start with the # symbol.

In Python, import is used to include external modules in the program.

In Python, input() always returns the user input as a string.

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

In Python, lambda is used to create small anonymous functions.

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

In Python, multiplying a string by an integer repeats the string that many times.

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

In Python, set() creates an empty set, while {} creates an empty dictionary.