Integers can be derived from whole numbers by including negative whole numbers and zero. Whole numbers are the set of numbers that start from zero and continue on to positive infinity. By including the negative counterparts of these whole numbers, we create the set of integers. This means that integers include all the positive whole numbers, their negative counterparts, and zero. **

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Integers are whole numbers that can be positive, negative, or zero. On the number line, integers are represented as points that are evenly spaced apart. Positive integers are located to the right of zero, while negative integers are located to the left of zero. The distance between each integer on the number line is the same, representing the concept of equal spacing between whole numbers. **

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To convert a Python list to integers, you can use list comprehension to iterate through the list and convert each element to an integer using the int() function. For example, you can create a new list of integers from an existing list of strings by using the int() function within a list comprehension. Another approach is to use the map() function to apply the int() function to each element of the list, which will return a new list of integers. Both methods allow you to convert a Python list to integers easily and efficiently. **

Yes, the set of integers Z is a vector space. It satisfies all the properties of a vector space, such as closure under addition and scalar multiplication, associativity, commutativity, and the existence of an additive identity and additive inverses. Therefore, Z is a vector space. **

Switch case can only be used with integers because it relies on the value of an expression to determine which case to execute. Since integers have a finite set of discrete values, it is easier to match them with specific cases. Using non-integer values, such as floating-point numbers or strings, can lead to ambiguity and make it difficult to determine which case should be executed. Therefore, switch case is designed to work efficiently with integers to provide a clear and concise way to handle multiple conditional branches. **