This is how you create private protected variables in python
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in python, the concept of access modifiers like private and protected is not enforced in the same way as in languages like java or c++. however, python does provide conventions that help indicate the intended access level of class attributes and methods.
private variables
in python, private variables are indicated by prefixing the variable name with two underscores (`__`). this leads to name mangling, which means that the variable cannot be accessed directly from outside the class.
#### example of private variable
protected variables
protected variables are indicated by prefixing the variable name with a single underscore (`_`). this is a convention that suggests that the variable is intended for internal use within the class and its subclasses, but it does not prevent access from outside the class.
#### example of protected variable
summary
**private variables**: use double underscores (`__`) to indicate that a variable is intended to be private. these are subject to name mangling, making them harder to access from outside the class.
**protected variables**: use a single underscore (`_`) to indicate that a variable is intended to be protected. this is a convention, and while it suggests that the variable should not be accessed directly, it does not enforce any restrictions.
key points
1. **intended use**: the use of underscores is more about indicating intended use rather than enforcing access control.
2. **name mangling**: private variables undergo name mangling to prevent accidental access, but they can still be accessed if you know the mangled name.
3. **best practices**: always try to respect the conventions. use private and protected variables as intended to maintain code readability and integrity.
this is how you can create private and protected variables in python!
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