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Go to answer 13

Question 14

True or False? The code in the top panel of Figure 21 produces the output shown in the bottom panel of Figure 21 .

Figure 21 . Question 14.
import string print(string.digits)print(string.hexdigits) print(string.octdigits)=============================================================================== 012345670123456789 0123456789abcdefABCDEF

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Question 15

True or False? The code in the top panel of Figure 23 produces the output shown in the bottom panel of Figure 23 .

Figure 23 . Question 15.
str = "this is a string." print(str.capitalize())=============================================================================== THIS IS A STRING.

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Figure index

What is the meaning of the following two images?

These images were inserted here simply to insert some space between the questions and the answers to keep them from being visible on the screen at thesame time.

Spacer image of a rabbit and a penguin.

This image was also inserted for the purpose of inserting space between the questions and the answers.

Spacer image of a penguin and some houses.

Answers

Answer 15

False. The output is shown in Figure 24 .

Figure 24 . Answer 15.
This is a string.

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Answer 14

False. The answer is shown in Figure 22 .

Figure 22 . Answer 14.
0123456789 0123456789abcdefABCDEF01234567

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Answer 13

False. The output is shown in Figure 20 . Students should analyze this code in order to explain the result.

Figure 20 . Answer 13.
Name of the file: 1359-1830-13-input.txt Li ne 1

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Answer 12

True.

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Answer 11

True.

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Answer 10

False. The output is shown in Figure 16 . Note the "r" to the left of the triple quote in Figure 15 . This causes the backslash in the string that might otherwise be interpreted as an escape character to be treated as a ordinarycharacter.

Figure 16 . Answer 10.
Line 1\nLine 2

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Answer 9

False. The output is shown in Figure 14 . Note the newline escape characters in the string.

Figure 14 . Answer 9.
Line 1 Line 2

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Answer 8

True.

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Answer 7

False. The output is shown in Figure 11 . Note the use of the not operator.

Figure 11 . Answer 7.
This is a string. ['a', 's', 'd', 'f', 'g', 'h']d f

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Answer 6

False. The output is shown in Figure 9 .

Figure 9 . Answer 6.
T hi si sa st ri ng .

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Answer 5

True.

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Answer 4

False. The output is shown in Figure 6 . You can slice a string from the end using a negative index.

Figure 6 . Answer 4.
This is a string. is a st

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Answer 3

True.

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Answer 2

False. The actual output is shown in Figure 3 . A Python string is immutable. Therefore, you cannot modify a character within the string using simple indexingas shown in Figure 2 .

Figure 3 . Answer 2.
This is a string. rTraceback (most recent call last): File "1359-1830-02.py", line 8, in<module>str[12] = "z"TypeError: 'str' object does not support item assignment

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Answer 1

True. Individual characters in a string can be accessed using a zero-based index.

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Miscellaneous

This section contains a variety of miscellaneous information.

Housekeeping material
  • Module name: Itse1359-1830-String Operations
  • File: Itse1359-1830.htm
  • Published: 11/10/14
  • Revised: 03/04/15
Disclaimers:

Financial : Although the Connexions site makes it possible for you to download aPDF file for this module at no charge, and also makes it possible for you to purchase a pre-printed version of the PDF file, youshould be aware that some of the HTML elements in this module may not translate well into PDF.

I also want you to know that, I receive no financial compensation from the Connexions website even if you purchase the PDF version ofthe module.

In the past, unknown individuals have copied my modules from cnx.org, converted them to Kindle books, and placed them for sale onAmazon.com showing me as the author. I neither receive compensation for those sales nor do I know who does receive compensation. If youpurchase such a book, please be aware that it is a copy of a module that is freely available on cnx.org and that it was made andpublished without my prior knowledge.

Affiliation : I am a professor of Computer Information Technology at Austin Community College in Austin, TX.

-end-

Questions & Answers

What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
Bharti
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
Daniel
how to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
Maciej
characteristics of micro business
Abigail
for teaching engĺish at school how nano technology help us
Anassong
Do somebody tell me a best nano engineering book for beginners?
s. Reply
there is no specific books for beginners but there is book called principle of nanotechnology
NANO
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
Tarell
what is the actual application of fullerenes nowadays?
Damian
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
Tarell
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
Virgil
is Bucky paper clear?
CYNTHIA
carbon nanotubes has various application in fuel cells membrane, current research on cancer drug,and in electronics MEMS and NEMS etc
NANO
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Harper
Do you know which machine is used to that process?
s.
how to fabricate graphene ink ?
SUYASH Reply
for screen printed electrodes ?
SUYASH
What is lattice structure?
s. Reply
of graphene you mean?
Ebrahim
or in general
Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
On having this app for quite a bit time, Haven't realised there's a chat room in it.
Cied
what is biological synthesis of nanoparticles
Sanket Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
China
Cied
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Itse 1359 introduction to scripting languages: python. OpenStax CNX. Jan 22, 2016 Download for free at https://legacy.cnx.org/content/col11713/1.32
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