On Tuesday, September 22, 2015 at 7:45:00 PM UTC+1, Lj Fc wrote:
> you have 10 minutes😂 Good luck!!
A good set of questions, IMO. Am answering as someone coming back to Python
after a few years.
> 1. What is PEP8 ?
Coding guidelines, I think.
> 2. What are the different ways to distribute some python source code ?
I don't know what that's getting at as it specifically mentions source code
apart from tar/gzip or zip. Maybe git or other scm?
> 2 Lists
>
> Let's define the function plural :
>
> def plural(words):
> plurals = []
> for word in words:
> plurals.append(word + 's')
> return plurals
>
> for word in plural(['cabagge','owl','toy']):
> print word
>
> Question : How could the code of the function plural be optimised?
I would go for
[word + 's' for word in words]
> 3 Dictionaries
>
> Here are two dictionnaries :
>
> input = {
> 'foo1': 'bar1',
> 'chose': 'truc',
> 'foo2': 'bar2',
> }
> output = {
> 'bar1': 'foo1',
> 'truc': 'chose',
> 'bar2': 'foo2'
> }
>
> Question : Propose a function that returns output when you provide input ?
def f(input):
output = {}
for k,v in input.items():
output[v] = k
return output
> 4 Iterators
>
> Let's consider this program :
>
> def program_1():
> yield 1
> yield 2
> yield 3
>
> g = program_1()
> a = list(g)
> b = list(g)
> c = g()
>
> Question : At the end of the program,
>
> 1. What is the type of g ?
> 2. What is the value of a ?
> 3. What is the value of b ?
> 4. What is the value of c ?
Good one. I checked this and only got 1 and 2 right.
> 5 Decorators
No idea!
James
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