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9. Write three functions that are the “inverses" of to_secs: (a) hours_in returns the whole integer number of hours represented by a total num- ber of seconds. (b) minutes_in returns the whole integer number of left over minutes in a total number of seconds, once the hours have been taken out. (c) seconds_in returns the left over seconds represented by a total number of sec- onds. You may assume that the total number of seconds passed to these functions is an integer. Here are some test cases: test (hours_in(9010) == 2) == 30) test (minutes_in(9010) test (seconds_in (9010) 10)

9. Write three functions that are the “inverses" of to_secs: (a) hours_in returns the whole integer number of hours represented by a total num- ber of seconds. (b) minutes_in returns the whole integer number of left over minutes in a total number of seconds, once the hours have been taken out. (c) seconds_in returns the left over seconds represented by a total number of sec- onds. You may assume that the total number of seconds passed to these functions is an integer. Here are some test cases: test (hours_in(9010) == 2) == 30) test (minutes_in(9010) test (seconds_in (9010) 10)

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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From: How to Think Like a Computer Scientist: Learning with Python 3 -Chapter 6, Exercise 9

Write three functions that are the “inverses” of to_secs:

(a) hours_in returns the whole integer number of hours represented by a total number of seconds.

(b) minutes_in returns the whole integer number of left over minutes in a total number of seconds, once the hours have been taken out.

(c) seconds_in returns the left over seconds represented by a total number of seconds.

 

My original  to_secs function:

def to_secs(h, m, s):

total = 0

total = total + h * 60 * 60

total = total + m * 60

total = total + s

return total

thinkcspy3.pdf Page 111 of 421 90% thinkcspy3.pdf 7. Write a function to_secs that converts hours, minutes and seconds to a total number of seconds. Here are some tests that should pass: te Aece dr i e The l p veof de te ie Aa i o ngp pEintwn d o S ac a n i irp A Glory 79 6.9. Exercises 81 HieThLa C La Pyn Demeren lee ad Ce Cg i ty g dl lal tel d nr h m In s Abu ed l t t A ode cyou e A o ed i fo ppa Hig y y e ng ing miyi i gii r e How to Think Like a Computer Scientist: Learning with Python 3 Documentation, Release 3rd Edition 6.9 Exercises A as d deatde i ue u p iLAde e c rv tp de d of o yoe Py A d tere D The tu YT T W W c ur cns po p d MEepp d Timi s merlwr h C.fodoult test (to_secs (2, 30, 10) 9010) %3D%3D 80 test (to_secs (2, 0, 0) 7200) == test (to_secs (0, 2, 0) 120) == test (to_secs (0, 0, 42) 42) H T L C ie Ln Py Donmentton. e etan 1 aga d A kate e N tion test (to_secs (0, -10, 10) -590) == TIE I 1 e me r w , -1 TIL u 8. Extend to_secs so that it can cope with real values as inputs. It should always return an integer number of seconds (truncated towards zero): ll 4 W os or oy a W . I andeita e test (to_secs (2.5, 0, 10.71) 9010) == TIt or t test (to_secs (2.433,0,0) 8758) T ulaty ta y E r =3%3= N he wi e ofg e fc dcede e g rvi pn T Hh agninu h r àm nne ndri e y nne i m wLI e to N er da as tp 9. Write three functions that are the "inverses" of to_secs: (a) hours_in returns the whole integer number of hours represented by a total num- 81 ber of seconds. (b) minutes_in returns the whole integer number of left over minutes in a total number of seconds, once the hours have been taken out. Hie ThL C L yn Demerten. lee nd Ceon im he l, imh ils TIt KJ A ed he a md nin s n ws .4 Wda fa ta oltCE osci wwdeo berf tby (c) seconds_in returns the left over seconds represented by a total number of sec- w p er leh a onds. be omd.c bou a o H LI T H Te f t pdiefc mie Wew e TI is i ser dre de I You may assume that the total number of seconds passed to these functions is an integer. n ynd T sin. ing bow h ap er in e Here are some test cases: S o N ca y Hat IN M do f k ingr hng Comp Si od fho t t dk el a test (hours_in(9010) 2) Ww ia == test (minutes_in(9010) 30) Chu ra ncons === test (seconds_in (9010) 10) == 82
Transcribed Image Text:thinkcspy3.pdf Page 111 of 421 90% thinkcspy3.pdf 7. Write a function to_secs that converts hours, minutes and seconds to a total number of seconds. Here are some tests that should pass: te Aece dr i e The l p veof de te ie Aa i o ngp pEintwn d o S ac a n i irp A Glory 79 6.9. Exercises 81 HieThLa C La Pyn Demeren lee ad Ce Cg i ty g dl lal tel d nr h m In s Abu ed l t t A ode cyou e A o ed i fo ppa Hig y y e ng ing miyi i gii r e How to Think Like a Computer Scientist: Learning with Python 3 Documentation, Release 3rd Edition 6.9 Exercises A as d deatde i ue u p iLAde e c rv tp de d of o yoe Py A d tere D The tu YT T W W c ur cns po p d MEepp d Timi s merlwr h C.fodoult test (to_secs (2, 30, 10) 9010) %3D%3D 80 test (to_secs (2, 0, 0) 7200) == test (to_secs (0, 2, 0) 120) == test (to_secs (0, 0, 42) 42) H T L C ie Ln Py Donmentton. e etan 1 aga d A kate e N tion test (to_secs (0, -10, 10) -590) == TIE I 1 e me r w , -1 TIL u 8. Extend to_secs so that it can cope with real values as inputs. It should always return an integer number of seconds (truncated towards zero): ll 4 W os or oy a W . I andeita e test (to_secs (2.5, 0, 10.71) 9010) == TIt or t test (to_secs (2.433,0,0) 8758) T ulaty ta y E r =3%3= N he wi e ofg e fc dcede e g rvi pn T Hh agninu h r àm nne ndri e y nne i m wLI e to N er da as tp 9. Write three functions that are the "inverses" of to_secs: (a) hours_in returns the whole integer number of hours represented by a total num- 81 ber of seconds. (b) minutes_in returns the whole integer number of left over minutes in a total number of seconds, once the hours have been taken out. Hie ThL C L yn Demerten. lee nd Ceon im he l, imh ils TIt KJ A ed he a md nin s n ws .4 Wda fa ta oltCE osci wwdeo berf tby (c) seconds_in returns the left over seconds represented by a total number of sec- w p er leh a onds. be omd.c bou a o H LI T H Te f t pdiefc mie Wew e TI is i ser dre de I You may assume that the total number of seconds passed to these functions is an integer. n ynd T sin. ing bow h ap er in e Here are some test cases: S o N ca y Hat IN M do f k ingr hng Comp Si od fho t t dk el a test (hours_in(9010) 2) Ww ia == test (minutes_in(9010) 30) Chu ra ncons === test (seconds_in (9010) 10) == 82
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