The decision structure in the flowchart tests the condition temperature $<mn\; id="EditorElement\_9956219">4</mn><mn\; id="EditorElement\_9956220">0</mn>$ If this condition is true, the message "A little cold, isn't it$?"$ is displayed. If the condition is false, the statement message "Nice weather we're having." is displayed.

In code, we write a dual alternative decision structure as an if$-$el se statement. Here is the general format of the if$-$else statement:

if condition:

statement

statement

etc.

else:

statement

statement

etc.