It can be called hard coding the data. For many things in computing it should be avoided if possible in favour of using variables or defined constants, in order to give more flexibility and structure to a program.
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A data value that appears directly in a statement Literals can be of several types. Some of them are: Number String Boolean
The statement that causes a function to end and sends a value back to the calling part of the program is the return statement. When a return statement is executed, it terminates the function and can optionally pass a value back to the caller. If no value is specified, the function returns None in Python or equivalent in other languages. This allows the caller to receive the result of the function's computation.
statement should not return a value but function returns a value
switch (expression) { case value 1 : [ statement-block 1] [break ;] case value 2 : [ statement-block 2] [break ;] ……. ……. case value N : [ statement-block N] [break ;] [default: [default block] [break;] ] } statement x;
It is a syntax error, because a value returning method must return a value, and not writing a return statement with a value is tantamount to returning without a value.