What Are The Rules For Naming Variables In Python
Rules for Naming Variables in Python
What Are The Rules For Naming Variables In Python
In Python, variable names can consist of letters, numbers, and underscores but must start with a letter or an underscore. Variable names are case-sensitive, meaning ‘myVar’ and ‘myvar’ are considered different. It is useful to follow naming conventions to make code more readable and maintainable. Choosing descriptive and meaningful variable names can enhance the understanding of the code's purpose, making it easier for others to collaborate or for future you to come back and understand your own code.
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1 - Variable names in Python must start with a letter or an underscore (_).
2) Variable names can contain letters, numbers, and underscores.
3) Variable names are case sensitive, meaning that “myVar” and “myvar” would be considered different variables.
4) Variable names cannot start with a number.
5) Variable names should be descriptive and meaningful to reflect the purpose of the variable.
6) Avoid using reserved keywords such as “int”, “float”, “while”, etc., as variable names.
7) Variable names should not contain special characters such as !, @, #, $, %, etc.
8) It is recommended to use lowercase letters for variable names.
9) If you want to create a variable name with multiple words, you can use underscores to separate the words, such as “my_variable_name”.
10) It is good practice to follow a consistent naming convention for variables, such as using camelCase or snake_case.
11) Make sure that the variable name is not too long or too short, aim for a balance for readability and understanding.
12) Avoid using abbreviations or acronyms that may not be clear to others who read your code.
13) Be mindful of the context in which the variable is being used and ensure that the name reflects that context appropriately.
14) When creating variables for specific data types, consider prefixing the variable name with a hint of the data type, such as “str_name” for a variable containing a string.
15) Encourage students to practice creating meaningful and informative variable names to improve code readability and maintainability in their programming projects.
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