# 3.1 Itse1359-1720r-review  (Page 2/5)

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Figure 9 . Question 3 Python module named Py1359_1720r_03.py.
```def sum(parA,parB): return parA + parBdef product(parC,parD): return parC * parD```
Figure 10 . Question 3 test code named Py1359_1720r_03.txt.
```>>>from Py1359_1720r_03 import sum>>>sum(2,3) 5>>>from Py1359_1720r_03 import product>>>product(2,3) 6```
Figure 11 . Question 3 execution command.
`python -m doctest -v Py1359_1720r_03.txt`
Figure 12 . Question 3 possible output.
```Trying: from Py1359_1720r_03 import sumExpecting nothing okTrying: sum(2,3)Expecting: 5ok Trying:from Py1359_1720r_03 import product Expecting nothingok Trying:product(2,3) Expecting:6 ok1 items passed all tests: 4 tests in Py1359_1720r_03.txt4 tests in 1 items. 4 passed and 0 failed.Test passed.```

## Question 4

True or False? Given the Python module shown in Figure 13 , execution of the module as a script using the command shown in Figure 14 produces the output shown in Figure 15 .

Figure 13 . Question 4 Python module named Py1359_1720r_04.py.
```""" Begin first test>>>sum(2,3) 5Begin second test>>>product(2,3) 6""" def sum(parA,parB):return parA + parB def product(parC,parD):return parC * parD if __name__ == "__main__":import doctest doctest.testmod()```
Figure 14 . Question 4 execution command.
`python Py1359_1720r_04.py -v`
Figure 15 . Question 4 possible output.
```Trying: sum(2,3)Expecting: 5ok Trying:product(2,3) Expecting:6 ok2 items had no tests: __main__.product__main__.sum 1 items passed all tests:2 tests in __main__ 2 tests in 3 items.2 passed and 0 failed. Test passed.```

## Question 5

True or False? Given the Python module shown in Figure 16 , execution of the module as a script using the command shown in Figure 17 produces the output shown in Figure 18 .

Figure 16 . Question 5 Python module named Py1359_1720r_05.py.
```""">>>divide(2,3) 0>>>divide(2,0) Traceback (most recent call last):... ZeroDivisionError: integer division or modulo by zero""" def divide(parA,parB):return parA//parB if __name__ == "__main__":import doctest doctest.testmod()```
Figure 17 . Question 5 execution command.
`python Py1359_1720r_05.py -v`
Figure 18 . Question 5 possible output.
```Trying: divide(2,3)Expecting: 0ok Trying:divide(2,0) Expecting:Traceback (most recent call last): ...ZeroDivisionError: integer division or modulo by zero ok1 items had no tests: __main__.divide1 items passed all tests: 2 tests in __main__2 tests in 2 items. 2 passed and 0 failed.Test passed.```

## Question 6

True or False? Given the Python module shown in Figure 19 , execution of the module as a script using the command shown in Figure 20 produces the output shown in Figure 21 .

Figure 19 . Question 6 Python module named Py1359_1720r_06.py.
```""">>>function(11) Traceback (most recent call last):... ValueError: par must be<= 10 """def function(par): if par>10: raise ValueError("par must be<= 10") else:return par if __name__ == "__main__":import doctest doctest.testmod()```

Do somebody tell me a best nano engineering book for beginners?
what is fullerene does it is used to make bukky balls
are you nano engineer ?
s.
what is the Synthesis, properties,and applications of carbon nano chemistry
so some one know about replacing silicon atom with phosphorous in semiconductors device?
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 ?
for screen printed electrodes ?
SUYASH
What is lattice structure?
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
what's the easiest and fastest way to the synthesize AgNP?
China
Cied
types of nano material
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.
what is nano technology
what is system testing?
preparation of nanomaterial
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
what is system testing
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
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.
how did you get the value of 2000N.What calculations are needed to arrive at it
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