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Lesson 1, “Basic Objective-C Syntax,” covers the basics of Objective-C syntax. Viewers learn about statements and expressions and how to use them to build their programs. They also learn about the basic types of C and Objective-C. Viewers learn how to declare and use functions. They learn ways to change the flow of their program using if, else, for and while. Finally, viewers learn about the Objective-C preprocessor.