Q-16: What character indicates that what follows next is the body of the function? It is the last character on the function header. Activity: 5.17.5.1 Fill in the Blank (funct_fitb_body_char) Q-17: What character starts a comment? Activity: 5.17.5.2 Fill in the Blank (funct_ fitb_comment_char) Q-18: What Python keyword is used to start a function definition? Activity: 5.17.5.3 Fill in the Blank (funct fitit_def fitb)