How to get the MD5 sum of a string using Python
If you need to get the MD5 sum of a string using Python, then you can do the following.
Step 1
Firstly, we need to use the hashlib module:
import …Python
324 articles about python development, tools, and best practices
[Solved] TypeError: datetime Not JSON Serializable
If you get the following error:
TypeError: Object of type datetime is not JSON serializable
..then you can solve it by using this trick: …
Read Article →Zip & Encode Dict to String & Back in Python
If you have a Python dictionary, and want to encode it as a string and zip it to save space, perhaps for passing a dictionary through as an …
Read Article →How to Generate a Random Number between 2 numbers in Python
If you need to generate a random number between two (2) numbers in Python, then you can make use of the random module.
First, import the module: …
Read Article →How to find the Product of Consecutive Fib Numbers in Python
0, 0, 1, 0, 2, 0, 2, 2, 1, 6, 0, 5, 0, 2, 6, 5, 4, 0, 5, 3, 0, 3, …
This is the Van Eck’s Sequence.
Let’s go through it step by step.
Term …
Read Article →How to Solve Van Eck's Sequence in Python
0, 0, 1, 0, 2, 0, 2, 2, 1, 6, 0, 5, 0, 2, 6, 5, 4, 0, 5, 3, 0, 3, …
This is the Van Eck’s Sequence.
Let’s go through it step by step.
Term …
Read Article →How to Solve: Help the Bookseller Challenge in Python
A bookseller has lots of books classified in 26 categories labeled A, B, … Z. Each book has a code c of 3, 4, 5 or more characters. The 1st …
Read Article →How to Find the Stray Number in Python
The challenge
You are given an odd-length array of integers, in which all of them are the same, except for one single number.
Complete the method …
Read Article →How to Empty and Delete an S3 Bucket using the AWS CLI
Option 1 – Using AWS CLI
Step 1
export bucketname='your-bucket-here'
Step 2
aws s3api delete-objects --bucket $bucketname --delete "$(aws …How to Calculate Variance in Python
If you need to calculate variance in Python, then you can do the following.
Option 1 – Using variance() from Statistics module
import statistics
list …How to Calculate the Sum of a List in Python
If you need to calculate and get the sum of a list in Python, then you can do the following.
Option 1 – Using sum()
myList = [1, 2, 3, 4, 5, 6, 7, 8, …How to add a List to a Set in Python
If you need to add a list to a set in Python, then you can do the following:
Option 1 – Using Tuple
myset = set((1,2,3,4))
mylist = list(1,2,3]) …How to Remove Punctuation from a List in Python
If you have a Python list, and want to remove all punctuation, then you can do the following:
First get all punctuation by using string.punctuation …
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How to Normalize a List of Numbers in Python
If you need to normalize a list of numbers in Python, then you can do the following:
Option 1 – Using Native Python
list = [6,1,0,2,7,3,8,1,5] …How to Multiply a List by a Scalar in Python
If you need to multiply a list by a scalar in Python, then you can do one of the following:
Option 1 – Using List Comprehensions
li = [1,2,3,4] …How to Find the Index of the Minimum Element in a List in Python
If you need to find the index of the minimum element in a list, you can do one of the following:
Option 1 – Using min() and index()
lst = …How to Convert a Set to a String in Python
If you need to convert a set to a string in Python, then you can do one of the following:
Option 1 – Using map() and join()
str_new = ', …How to Create Zip Archive of Directory in Python
If you need to create a zip of a directory using Python, then you can do the following:
Create a Zip using shutil in Python
import os
import shutil …How to Print Multiple Arguments in Python
If you need to print out multiple arguments using Python, then you can do one of the following:
Option 1 – Using print
print("Something", …How to Parallelize a for Loop in Python
If you need to run a for loop in parallel, then you can do one of the following:
Option 1 – Using multiprocessing
import multiprocessing
def …How to Reverse an Integer in Python
If you need to reverse an integer using Python, then you can do the following:
Option 1 – Mathematical Palindrome Check
original_number = 123454321 …How to Save a Python Dictionary to a File in Python
If you need to save a Python Dictionary object type to a file using Python, then you can do one of the following:
Option 1 – Using pickle module …
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How to Move Files From One Directory to Another Using Python
If you need to move files from one directory to another directory, using Python, then you can do one of the following:
Option 1 – Using shutil.move() …
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How to Get the Number of Lines in a File in Python
If you need to get the number of lines in a file, or the line count total from a file, using Python, then you can use one of the following options: …
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