How to Calculate Powers of 2 in Python
The challenge
Complete the function that takes a non-negative integer n as input, and returns a list of all the powers of 2 with the exponent ranging …
Python
320 articles about python development, tools, and best practices
How to Get Planet Name By ID in Python
The challenge
Create a function that takes in an id and returns the planet name.
The solution in Python code
Option 1:
def get_planet_name(id): …How to Make a Directory if Not Exists in Python
If you want to create a directory in Python, but only if it doesn’t exist, you have the following option.
Using Python 3.5 or newer?
from …Square(n) Sum in Python
The challenge
Complete the square sum function so that it squares each number passed into it and then sums the results together.
For example, for [1, …
How to Fill an Array in Python
The challenge
We want an array, but not just any old array, an array with contents!
Write a function that produces an array with the numbers `` to N-1 …
Retrieve records from MSSQLServer in Python
The below Python code will create a connection to a MSSQLServer instance, and retrieve data from it back into a variable called tblResults.
# use …How to Remove Trailing Zeroes in Python
The challenge
Numbers ending with zeros are boring.
They might be fun in your world, but not here.
Get rid of them. Only the ending ones.
1450 -> …How to use Profilers in Python
When you have performance problems in your Python application, you can use a Profiler to help you.
Step 1: Using cProfile
Your first option is to run …
Read Article →If you can’t Sleep, just count Sheep in Python
The challenge
Given a non-negative integer, 3 for example, return a string with a murmur: "1 sheep...2 sheep...3 sheep...". Input will …
Key-Value CLI Arguments in Python
If you have a CommandLine application (CLI) written in Python, you have a number of ways that you can take arguments from the user.
You could take the …
Read Article →How to use a Translation Table to Replace Characters in Python
Python provides the ability to create Translation Tables.
our_text = "This is an example of some text"
translation_table = …How to Calculate the Sum of all Numbers in a String in Python
Let’s take the following string:
numbers = "this 1 2 3 4 5 is not a 8 9 10"
How can we sum up all the numbers in this string? …
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