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- Meaning of list[-1] in Python - Stack Overflow
All your return c most_common()[-1] statement does is call c most_common and return the last value in the resulting list, which would give you the least common item in that list Essentially, this line is equivalent to:
- slice - How slicing in Python works - Stack Overflow
The first way works for a list or a string; the second way only works for a list, because slice assignment isn't allowed for strings Other than that I think the only difference is speed: it looks like it's a little faster the first way Try it yourself with timeit timeit() or preferably timeit repeat()
- List of zeros in python - Stack Overflow
See why [] is faster than list() There is a gotcha though, both itertools repeat and [0] * n will create lists whose elements refer to same id This is not a problem with immutable objects like integers or strings but if you try to create list of mutable objects like a list of lists ([[]] * n) then all the elements will refer to the same object
- python - Removing duplicates in lists - Stack Overflow
def make_unique(original_list): unique_list = [] [unique_list append(obj) for obj in original_list if obj not in unique_list] return unique_list Some may consider list comprehension with a side effect to not be a good solution
- What is the syntax to insert one list into another list in python?
List slicing is quite flexible as it allows to replace a range of entries in a list with a range of
- Command to list all files in a folder as well as sub-folders in windows
To print specific file present in the folders sub-folders for eg : If you want to list just the csv files then : dir b s A-D o:gn * csv >list txt If you want to also include xlsx files then the code is : dir b s A-D o:gn * csv * xlsx >list txt You can mention more file types in the same way P S Got to know this one from chatgpt :P
- What is the difference between List. of and Arrays. asList?
Let summarize the differences between List of and Arrays asList List of can be best used when data set is less and unchanged, while Arrays asList can be used best in case of large and dynamic data set
- loops - Ways to iterate over a list in Java - Stack Overflow
The three forms of looping are nearly identical The enhanced for loop: for (E element : list) { } is, according to the Java Language Specification, identical in effect to the explicit use of an iterator with a traditional for loop
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