if number = print('even number'else elsekeyword upper middle run if test is false print('that was fun!'indentation after the then-block comes another new keyword"else:this is not indented and is level with the "ifto indicate that it is not part of the thenblock it is then followed by second block of codeknow as the "else-blockthis is the code that is run if the test evaluates as false againbecause it is block of code it is indented the else keyword and its corresponding block are optional you can do nothing if the test returns false the then-block is compulsory