What programming language do you prefer most? Please ignore the trend or salary averages of languages. Select your favorite lang

What programming language do you prefer most? Please ignore the trend or salary averages of languages. Select your favorite language.

Python
C
C#
Java

12votes

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roll @pie

I have a plan to create a programming language

Hello, I am an admin of Rollpie. I am a huge fan of Python and has developed this website with Python. No doubt I love Python but I have a plan ...

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29 Views

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roll @pie

tips

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36 Views

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Python None - The ids of all Nones are the same

In Python, None means null or nothing. The function that doesn't have the return statement returns None. Some Python programmers may substitu...

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35 Views

0 Comments
roll @pie

Python comment: How to write comments in Python

In Python, a line starting with `#` is regarded as a comment. python a = 1 b = 2 print(a) # print(b) In the above code, `print(b...

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28 Views

0 Comments
roll @pie

Python import and from - How to use functions in outer files or directories in Python

Python `import` helps the files and directories to be connected or callable. `import` is used to import the functions or values in the outer fil...

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15 Views

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Python __all__ and the scope over files - __all__ should be used when importing * in outer files

Many Python modules `__all__` to declare variables or functions that outer files can access. In short, the objects in `__all__` are "public" and...

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21 Views

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Python try-except statement - what's the exception handling?

Python string can't be added to integer and in that case, Python "returns" error. python x = 'abc' y = x + 1 # TypeError: can only co...

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6 Views

0 Comments
roll @pie

Python assert statement: How to set the error message in the AssertionError

Python `assert` checks a condition and raises the AssertionError if it is false. No error happens in the following code. python assert True...

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13 Views

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Python filter and lambda - How to select elements with a condition

Python built-in function `filter` removes some items from a list. The following code is to make a new list from an old list choosing multiples o...

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10 Views

0 Comments
roll @pie

Python map - How to make a list from a list

Python map makes a list from a list. python def hello(name): return 'Hello, ' + name + '.' a = ['Alice', 'Bob'] b = map(hello,...

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20 Views

0 Comments
roll @pie

Python next - How to iterate and get the next item of a list

Python `next` returns the next item of an iterator. But what's an iterator? Python iterator is similar to list and can be iterated. python ...

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9 Views

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roll @pie

Count the digits of an integer in Python

Counting the digit of a integer looks easy but it's not actually easy. python a1 = 0 a2 = 3 a3 = 41 a4 = 123456789 d1 = len(str(a1)) ...

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32 Views

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Python - The difference of mutable and immutable objects

In Python, all are objects. An integer, float, string, list, tuple are objects and a class and function are also objects. Python objects are imm...

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17 Views

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roll @pie

Python copy and deepcopy - What is the difference of assignment, copy, and deepcopy?

The difference of dictionary assignment, copy, and deepcopy is found when updating the original dictionary. python import copy d = {'x':...

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10 Views

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Get the name of my computer OS in Python

You can get the name of your computer OS in Python. python import sys p = sys.platform print(p) # darwin The platform name of ...

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13 Views

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roll @pie

Python help() - Print the documentation (docstring) of a Python function

The `help()` prints the Python function's documentation (or docstring), which is written between triple double quotes in the declaration. The do...

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11 Views

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Get all the functions of a Python module

You can get all the functions of a module using `inspect` module. python import statistics from inspect import getmembers, isfunction f...

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40 Views

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Python thousands separators - Don't use commas and use underscores

You can format an Python interger as a string with thousands separators using the `format()`. python s1 = '{:,}'.format(31415) s2 = '{:,}'...

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19 Views

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