👉 In computer programming, an "undefaceable" variable is a variable that can be used to create an empty string if it does not exist. This means that when you attempt to use this variable in a program, it will return an empty string instead of the actual value. For example: ```python x = 'hello' print(x) # Output: '' ``` This is because the `x` variable cannot be assigned a value and therefore its value will be set to an empty
