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What are the reserved keywords in Python?

Published in Programming Languages 2 mins read

Reserved keywords are special words in Python that have predefined meanings and cannot be used as variable, function, or class names. They are crucial for the language's syntax and structure.

Here's a complete list of Python keywords:

False      class      finally    is         return
None       continue   for        lambda     try
True       def        from       nonlocal   while
and        del        global     not        with
as         elif       if         or         yield
assert     else       import     pass
break      except     in         raise 

Understanding Reserved Keywords:

  • Syntax: These keywords are essential for defining the structure of Python code. For example, if, else, and elif control conditional statements.
  • Functionality: They provide built-in functionality, like print for output or input for user interaction.
  • Consistency: Using reserved keywords ensures that Python code is consistent and understandable across different programs.

Examples:

  • You cannot use if as a variable name because it's a reserved keyword.
  • Similarly, you cannot create a function called for because it's a reserved keyword.

Practical Insights:

  • Understanding reserved keywords is crucial for writing correct and functional Python code.
  • It's important to avoid using reserved keywords as identifiers to prevent syntax errors.
  • Use a code editor with syntax highlighting to help identify reserved keywords.

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