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Go to answer 6

Question 7

True or False? The code in the top panel of Figure 10 produces the output shown in the bottom panel of Figure 10 .

Figure 10 . Question 7.
str = "This is a string." chars = ["a","s","d","f","g","h"]print(str) print(chars)for cnt in range(len(chars)): if(chars[cnt]) not in str: print(chars[cnt]) ===============================================================================This is a string. ['a', 's', 'd', 'f', 'g', 'h']a sg h

Go to answer 7

Question 8

True or False? The code in the top panel of Figure 12 produces the output shown in the bottom panel of Figure 12 .

Figure 12 . Question 8.
str = """Line 1 Line 2"""print(str) ===============================================================================Line 1 Line 2

Go to answer 8

Question 9

True or False? The code in the top panel of Figure 13 produces the output shown in the bottom panel of Figure 13 .

Figure 13 . Question 9.
str = """Line 1\nLine 2""" print(str)=============================================================================== Line 1\nLine 2

Go to answer 9

Question 10

True or False? The code in the top panel of Figure 15 produces the output shown in the bottompanel of Figure 15 .

Figure 15 . Question 10.
str = r"""Line 1\nLine 2""" print(str)=============================================================================== Line 1Line 2

Go to answer 10

Question 11

True or False? Given a file named 1359-1830-11-input.txt containing the text shown in the top panel of Figure 17 , the code in the middle panel of Figure 17 produces the output shown in the bottom panel of Figure 17 .

Figure 17 . Question 11.
Line 1 Line 2Line 3 ===============================================================================infile = open("1359-1830-11-input.txt") print("Name of the file: ", infile.name)line = infile.readline() print(line)infile.close() ===============================================================================Name of the file: 1359-1830-11-input.txt Line 1

Go to answer 11

Question 12

True or False? Given a file named 1359-1830-12-input.txt containing the text shown in the top panel of Figure 18 , the code in the middle panel of Figure 18 produces the output shown in the bottom panel of Figure 18 .

Figure 18 . Question 12.
Line 1 Line 2Line 3 ===============================================================================infile = open("1359-1830-12-input.txt") print("Name of the file: ", infile.name)for line in infile.readlines(): print(line)=============================================================================== Name of the file: 1359-1830-12-input.txtLine 1 Line 2Line 3

Go to answer 12

Question 13

True or False? Given a file named 1359-1830-13-input.txt containing the text shown in the top panel of Figure 19 , the code in the middle panel of Figure 19 produces the output shown in the bottom panel of Figure 19 .

Figure 19 . Question 13.
Line 1 Line 2Line 3 ===============================================================================infile = open("1359-1830-13-input.txt") print("Name of the file: ", infile.name)for line in infile.readline(): print(line)=============================================================================== Line 1

Questions & Answers

Do somebody tell me a best nano engineering book for beginners?
s. Reply
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
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
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
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
Porter
many many of nanotubes
Porter
what is the k.e before it land
Yasmin
what is the function of carbon nanotubes?
Cesar
I'm interested in nanotube
Uday
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
AMJAD
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
good afternoon madam
AMJAD
what is system testing
AMJAD
what is the application of nanotechnology?
Stotaw
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
Azam
anybody can imagine what will be happen after 100 years from now in nano tech world
Prasenjit
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
Azam
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
Prasenjit
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
Damian
silver nanoparticles could handle the job?
Damian
not now but maybe in future only AgNP maybe any other nanomaterials
Azam
Hello
Uday
I'm interested in Nanotube
Uday
this technology will not going on for the long time , so I'm thinking about femtotechnology 10^-15
Prasenjit
can nanotechnology change the direction of the face of the world
Prasenjit Reply
At high concentrations (>0.01 M), the relation between absorptivity coefficient and absorbance is no longer linear. This is due to the electrostatic interactions between the quantum dots in close proximity. If the concentration of the solution is high, another effect that is seen is the scattering of light from the large number of quantum dots. This assumption only works at low concentrations of the analyte. Presence of stray light.
Ali Reply
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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