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Problem: http://usaco.org/index.php?page=viewproblem2&cpid=664 (USACO 2016 Bronze December)
So is this problem generally asking how many of each letter are in all the words together; meaning it is asking to print how many a's there are in all the terms together, how many b's are all together, etc.?
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1.Program to Interface Not Implementation
2.Encapsulate What Varies
3.Depend on Abstractions, Not Concrete classes
4.Favor Composition over Inheritance
5.Strive for Loosely Coupled System
In your own words, in less than 4 lines, please explain which of these is most important and why?
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is it possible to somehow put before.rules and after.sales into two arrays, then compare the number of elements in them and subtract not their number, but the elements, so that the rest can be output later?
example
To compare the lengths of two lists, you can:
>>> print(len(after.roles)-len(before.roles))
3
In this example 3 new roles were gained
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How should I do to divide years in half a year in this case if running in Python code?
I wasn't sure if you wanted horizontal or vertical divisions so I gave you both.
More practically, maybe this answer will help?
Creating numpy linspace out of datetime
You can specify start and end date and the number of divisions.
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Tetravocalic: Find all words that include four consecutive vowels.
def Tetravocalic(i):
return(re.search("/\b.*[aeiou]+.*[aeiou]+.*[aeiou]+.*[aeiou]+{4}/\b",i)))
Tetravocalic("vajjekiohkkugh")
error: multiple repeat at position 42
Please let me know the meaning of the error and the correct code as well.
ex: Tetravocalic("vajjekiohkkugh apple ororaeeg")
Your regular expression is way too complex, you only need this :'[aeiou]{4}'.
Example code:
def has_four_consecutive_vowels(s):
return bool(re.search('[aeiou]{4}', s))
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I need to find a word "little" in a string but word in the string is not present as a whole.
For eg. input string="aalbeiedteetoolpue" or "lliittttllleee"
May be you can try this:
\b\w*l\w*i\w*t\w*t\w*l\w*e\w*\b
Demo