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  1. Meaning of list[-1] in Python - Stack Overflow

    Sep 19, 2018 · 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 …

  2. List of zeros in python - Stack Overflow

    Dec 16, 2011 · 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 …

  3. How do I make a flat list out of a list of lists? - Stack Overflow

    Dec 3, 2016 · A list of lists named xss can be flattened using a nested list comprehension: flat_list = [ x for xs in xss for x in xs ] The above is equivalent to: flat_list = [] for xs in xss: for x in xs: …

  4. python - How to convert list to string - Stack Overflow

    Apr 11, 2011 · Agree with @Bogdan. This answer creates a string in which the list elements are joined together with no whitespace or comma in between. You can use ', '.join(list1) to join the …

  5. python - Removing duplicates in lists - Stack Overflow

    Nov 1, 2011 · 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 …

  6. pandas dataframe index: to_list () vs tolist () - Stack Overflow

    Sep 9, 2019 · tolist() is a method of NumPy arrays that returns a list representation of the array. to_list() is a method of Pandas dataframes that returns a list representation of the dataframe. …

  7. What is the syntax to insert one list into another list in python?

    Sep 20, 2010 · List slicing is quite flexible as it allows to replace a range of entries in a list with a range of ...

  8. Command to list all files in a folder as well as sub-folders in windows

    Mar 11, 2015 · 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 …

  9. 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 …

  10. How to list all installed packages and their versions in Python?

    For Windows 10, I think this is what you are looking for a list of available installed Pythons. This is different from a list of packages as you can see below. Also, on Ubuntu 20.04, I think the …