. Variable and Operators 1.1. Variable: Define: A variable is a named storage location in a program that holds data, and its value can be changed during the execution of the program. Syntax: datatype variableName; Explanation: Variables are used to store and manipulate data in a program. They have a data type that defines the kind of data they can hold, such as int, float, char, etc. Code int age; // Declaration of an integer variable age = 25; // Initialization of the variable with a value 1.2. Create Instance of a Variable: Define: Creating an instance of a variable involves declaring and optionally initializing a variable in a program. Syntax: datatype variableName = value; Explanation: This creates a variable and assigns an initial value to it at the time of declaration. score = 95.5 # Declaration and initialization of a floating-point variable 1.3. Use Preemptive Data Types: Define: Preemptive data types are data types that are predefined and provided by...
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