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update of README.md (not yet finished)

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Igor Chubin 2018-06-10 22:16:36 +00:00
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@ -284,55 +284,55 @@ use the `Q` option when starting the stealth mode.
</p>
```
You: Hi! | $ cht.sh --shell python
She: Hi! | cht.sh/python> stealth Q
She: Are you ready for a small interview? | stealth: you are in the stealth mode; select any text
She: Just a couple of questions | stealth: selections longer than 5 words are ignored
She: We will talk about python | stealth: query arguments: ?Q
She: Let's start from something simple. | stealth: use ^C to leave this mode
She: Do you know how to reverse a list in python? |
You: Sure |
You: (selecting "reverse a list") | stealth: reverse a list
| reverse_lst = lst[::-1]
You: lst[::-1]? |
She: Good. |
She: Do you know how to chain a list of lists? |
You: (selecting "chain a list of lists") | stealth: chain a list of lists
| import itertools
| a = [["a","b"], ["c"]]
| print list(itertools.chain.from_iterable(a))
You: May I use external modules? |
She: What module do you want to use? |
You: itertools |
She: Yes, you may use it |
You: Ok, then: |
You: itertools.chain.from_iterable(a) |
She: Good. Let's try something harder. |
She: What about quicksort implementation? |
You: (selecting "quicksort implementation") | stealth: quicksort implementation
You: Let me think about it. | (some big and clumsy lowlevel implementation is shown)
You: Well...(starting typing it in) | def sort(array=[12,4,5,6,7,3,1,15]):
| less = []
She: (seeing your ugly pascal style) | equal = []
She: Could you write it more concise? | greater = []
| if len(array) > 1:
You: What do you mean? | pivot = array[0]
| for x in array:
She: I mean, | if x < pivot: less.append(x)
She: do you really need all these ifs and fors? | if x == pivot: equal.append(x)
She: Could you may be just use filter instead? | if x > pivot: greater.append(x)
| return sort(less)+equal+sort(greater)
You: quicksort with filter? | else:
| return array
She: Yes |
You: (selecting "quicksort with filter") | stealth: quicksort with filter
You: Ok, I will try. | return qsort(filter(lt, L[1:]))+[pivot] \
You: Something like this? | +qsort(filter(ge, L[1:]))
You: qsort(filter(lt, L[1:]))+[pivot] \ |
+ qsort(filter(ge, L[1:])) |
|
She: Yes! Perfect! Exactly what I wanted to see! |
|
You: Hi! | $ cht.sh --shell python
She: Hi! | cht.sh/python> stealth Q
She: Are you ready for a small interview? | stealth: you are in the stealth mode; select any text
She: Just a couple of questions | stealth: selections longer than 5 words are ignored
She: We will talk about python | stealth: query arguments: ?Q
She: Let's start from something simple. | stealth: use ^C to leave this mode
She: Do you know how to reverse a list in python? |
You: Sure |
You: (selecting "reverse a list") | stealth: reverse a list
| reverse_lst = lst[::-1]
You: lst[::-1]? |
She: Good. |
She: Do you know how to chain a list of lists? |
You: (selecting "chain a list of lists") | stealth: chain a list of lists
| import itertools
| a = [["a","b"], ["c"]]
| print list(itertools.chain.from_iterable(a))
You: May I use external modules? |
She: What module do you want to use? |
You: itertools |
She: Yes, you may use it |
You: Ok, then: |
You: itertools.chain.from_iterable(a) |
She: Good. Let's try something harder. |
She: What about quicksort implementation? |
You: (selecting "quicksort implementation") | stealth: quicksort implementation
You: Let me think about it. | (some big and clumsy lowlevel implementation is shown)
You: Well...(starting typing it in) | def sort(array=[12,4,5,6,7,3,1,15]):
| less = []
She: (seeing your ugly pascal style) | equal = []
She: Could you write it more concise? | greater = []
| if len(array) > 1:
You: What do you mean? | pivot = array[0]
| for x in array:
She: I mean, | if x < pivot: less.append(x)
She: do you really need all these ifs and fors? | if x == pivot: equal.append(x)
She: Could you may be just use filter instead? | if x > pivot: greater.append(x)
| return sort(less)+equal+sort(greater)
You: quicksort with filter? | else:
| return array
She: Yes |
You: (selecting "quicksort with filter") | stealth: quicksort with filter
You: Ok, I will try. | return qsort(filter(lt, L[1:]))+[pivot] \
You: Something like this? | +qsort(filter(ge, L[1:]))
You: qsort(filter(lt, L[1:]))+[pivot] \ |
+ qsort(filter(ge, L[1:])) |
|
She: Yes! Perfect! Exactly what I wanted to see! |
|
```