	`if` statement. If the condition is held, then performs the action inside the block.
	`else` statement. It should be preceded by an `if`. If the condition specified in the if statement is not held, then runs the commands inside the else's block.
	It should be preceded by an `if`. If the condition specified in the previous if statement is not held and the current condition is satisfied, then performs the action inside the block.

Conditional statements

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