摘要：1. Modulus operator (%)The modulus operator works on integers and yields the remainder when the first operand is divided by the second. In Python, the... 阅读全文

摘要：1. Write a function called square that takes a parameter named t, which is a turtle. It should use the turtle to draw a square.from TurtleWorld import... 阅读全文

摘要：TurtleWorld provides a set of functions for drawing lines by steering turtles around the screen. You can download Swampy from allendowney.com/swampy.U... 阅读全文

摘要：It may not be clear why it is worth the trouble to divide a program into functions. There are a lot of reasons; here are few:Creating a new function gives you an opportunity to name a group of statements, which makes your program easier to read and debug.Functions can make a program smaller by elimi 阅读全文

摘要：Python is an example of high-level language. As you might infer from the name “high-level language”, there are also low-level languages, sometimes referred to as “machine languages” or “assembly languages”. Loosely speaking, computers can only execute programs written in low-level languages. So prog 阅读全文