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Discuss automatic conversion and casting with example? Automatic conversion and casting are two ways to convert values from one type to another in C++. Automatic conversion: Automatic conversion, also known as implicit type conversion, occurs automatically when a value of one type is used in an expression that requires a different type. For example, when a 'float' is used in an expression that requires an 'int', the 'float' will automatically converted to an 'int'.                float a= 3.14;               int b = a; // automatic conversion from float to int         2. Casting: Casting, also known as explicit type conversion, allows you to explicitly convert a value              from one type to another using a cast operator. There are several cast operators in C++, including                's...