How do you do 7 and 8? 7:23 PM Sun Jan 307 0 © 24% OBackHowToThinkLikeAComputerScientist_LearningWithPython3_CSC_110.pdf* (7.)Write a fruitful function sum_to(n) that returns the sum of all integer numbers up to andincluding n. So sum_to(10) would be 1+2+3...+10 which would return the value 55.8.)Write a function area_of_circle(r) which returns the area of a circle of radius r.9. Write a non-fruitful function to draw a star, where the length of each side is 100 units. (Hint:You should turn the turtle by 144 degrees at each point.)10. Extend your program above. Draw five stars, but between each, pick up the pen, move forwardby 350 units, turn right by 144, put the pen down, and draw the next star. You'll get somethinglike this:enbookproject.net/thinkcs/python/english3e/functions.html[1/4/2012 9:37:06 PM]ons – How to Think Like a Computer Scientist: Learning with Python 3DashboardCalendarTo DoNotificationsM Inbox

7.)Write a fruitful function sum_to(n) that returns the sum of all integer numbers up to and including n. So sum_to(10) would be 1+2+3. ..+10 which would return the value 55. 8.)Write a function area_of_circle(r) which returns the area of a circle of radius r.

7.)Write a fruitful function sum_to(n) that returns the sum of all integer numbers up to and including n. So sum_to(10) would be 1+2+3. ..+10 which would return the value 55. 8.)Write a function area_of_circle(r) which returns the area of a circle of radius r.

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Chapter5: Repetition Statements

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Concept explainers

Types of Function

A function is a process or task that does some operation in the program. Some programming languages may contain built-in functions for certain commonly used tasks. Most programming languages also support user-defined functions, which means a user can write their own function to perform some operation. There are some libraries or header files that contain built-in functions for performing certain tasks.

Question

How do you do 7 and 8?

7:23 PM Sun Jan 30
7 0 © 24% O
Back
HowToThinkLikeAComputerScientist_LearningWithPython3_CSC_110.pdf
* (7.)Write a fruitful function sum_to(n) that returns the sum of all integer numbers up to and
including n. So sum_to(10) would be 1+2+3...+10 which would return the value 55.
8.)Write a function area_of_circle(r) which returns the area of a circle of radius r.
9. Write a non-fruitful function to draw a star, where the length of each side is 100 units. (Hint:
You should turn the turtle by 144 degrees at each point.)
10. Extend your program above. Draw five stars, but between each, pick up the pen, move forward
by 350 units, turn right by 144, put the pen down, and draw the next star. You'll get something
like this:
enbookproject.net/thinkcs/python/english3e/functions.html[1/4/2012 9:37:06 PM]
ons – How to Think Like a Computer Scientist: Learning with Python 3
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