In short, variables label and store data in memory. It is important to distinguish that variables are not values; they contain values and represent them with a name. There are only a few things you can do with variables: There are a few general rules for naming variables: The let keyword signals that the variable can be reassigned a different value. Another concept that we should be aware of when using let (and even var) is that we can declare a variable without assigning the variable a value. In such a case, the variable will be automatically initialized with a value of undefined...

1. Ошибка: "NameError: name 'variable_name' is not defined" 2. Ошибка: "IndexError: list index out of range" 3. Ошибка: "ModuleNotFoundError: No module named 'module_name'" 4. Ошибка: "SyntaxError: invalid syntax" 5. Ошибка: "ValueError: invalid literal for int() with...