Using IF and ELSE gives two possible choices (paths) that a program can follow. However, sometimes more than two choices are wanted. To do this, the statement ELSE IF is used. Python close PythonA ...

The IF expression is evaluated first. If the expression is true, execution flows through the THEN alternative. If the expression is false, the ELSE statement, if present, is executed. Otherwise, the ...

The programming statements can be assigned labels ROW xxxxx: or COL xxxxx: to indicate the start of a row and column block, respectively. Statements in a row block create or change values in all the ...