How do I serialize a Python dictionary into a string, and then back to a dictionary?
How do I serialize a Python dictionary into a string, and then back to a dictionary? The dictionary will have lists and other dictionaries inside it.
string
Python reverse-stride slicing
A specific example of my question is, “How can I get ‘3210’ in this example?”
Capitalize a string
Does anyone know of a really simple way of capitalizing just the first letter of a string, regardless of the capitalization of the rest of the string?
Count number of words per row
I’m trying to create a new column in a DataFrame that contains the word count for the respective row. I’m looking for the total number of words, not frequencies of each distinct word. I assumed there would be a simple/quick way to do this common task, but after googling around and reading a handful of SO posts (1, 2, 3, 4) I’m stuck. I’ve tried the solutions put forward in the linked SO posts, but got lots of attribute errors back.
How can I convert a string to an int in Python?
The output I’m getting for my little example app is the following:
How to apply __str__ function when printing a list of objects in Python
Well this interactive python console snippet will tell everything:
What is a Python bytestring?
What’s a Python bytestring?
Replace part of a string in Python?
I used regular expressions to get a string from a web page and part of the string may contain something I would like to replace with something else. How would it be possible to do this? My code is this, for example:
Why empty string is on every string?
s.index(t) returns a value i such that s[i : i+len(t)] is equal to t
ValueError: invalid literal for int() with base 10: ‘stop’
Every time I try me code it works but when I type in 'stop' it gives me an error: