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.

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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How do you do 7 and 8?
7:23 PM Sun Jan 30
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* (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
Dashboard
Calendar
To Do
Notifications
M Inbox
Transcribed Image Text: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 Dashboard Calendar To Do Notifications M Inbox
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