Python: Lists, KeyWords, Statements, Variables

Let’s dive into each of these Python concepts:

1. Keywords:
   • Python has a set of reserved words called keywords that cannot be used as variable names, function names, or any other identifiers. These keywords serve specific purposes in the language.
   • Some common Python keywords include:
     • and, as, assert, break, class, continue, def, elif, else, for, if, import, in, is, not, or, pass, return, try, while, and with.
2. Variables:
   • Variables are used to store data in Python. They act as named containers for values.
   • To create a variable, you simply assign a value to a name. For example:
     Python

     Variable names must follow certain rules:

     • They can contain letters (both uppercase and lowercase), digits, and underscores.
     • They cannot start with a digit.
     • They are case-sensitive (e.g., myVar and myvar are different variables)
3. Lists:
   • Lists are used to store multiple items in a single variable. They are one of the built-in data types in Python.
   • To create a list, use square brackets:

     Python

     my_list = [1, 2, 3, 4, 5]
     

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   • Lists can hold different data types (e.g., numbers, strings, other lists).