The third and last type of flow is all about repetitions: how to repeat some actions exact N times? or how to repeat some actions until certain status is achieved? There are actually three types of statements: for loops, while loops and do loops.
C. Try: Print out a multiplication table from 1 x 1 = 1 .... to 9 x 9 = 81. (Hint: you need a for loop inside a for loop)