I don’t know a whole lot about the technical details for constructing and sending email (I figure that’s what libraries are for). Seems like both of these classes can be used to construct a basic text email, so which one should I use? What are the differences between these? When is appropriate to use one vs. the other? Answer One
Letter Count Dictionary
My homework problem is to write a Python function called LetterCount() which takes a string as an argument and returns a dictionary of letter counts. However, my code includes white space and commas as a part of the dictionary which i don’t want. Can you please help me out. How do i remove the white space from my list? Here
python: most elegant way to intersperse a list with an element
Input: Output: What’s the most elegant (read: Pythonic) way to write intersperse? Answer I would have written a generator myself, but like this:
How does python numpy.where() work?
I am playing with numpy and digging through documentation and I have come across some magic. Namely I am talking about numpy.where(): How do they achieve internally that you are able to pass something like x > 5 into a method? I guess it has something to do with __gt__ but I am looking for a detailed explanation. Answer How
How to get exit code when using Python subprocess communicate method?
How do I retrieve the exit code when using Python’s subprocess module and the communicate() method? Relevant code: Should I be doing this another way? Answer Popen.communicate will set the returncode attribute when it’s done(*). Here’s the relevant documentation section: So you can just do (I didn’t test it but it should work): (*) This happens because of the way
Project Euler Problem 17 Python
Please let me know how to bug fix this code . I tried and correct a lot of things , but I am 10 extra to the solution ! If the numbers 1 to 5 are written out in words: one, two, three, four, five, then there are 3 + 3 + 5 + 4 + 4 = 19 letters
How to urlencode a querystring in Python?
I am trying to urlencode this string before I submit. Answer You need to pass your parameters into urlencode() as either a mapping (dict), or a sequence of 2-tuples, like: Python 3 or above Use urllib.parse.urlencode: Note that this does not do url encoding in the commonly used sense (look at the output). For that use urllib.parse.quote_plus.
Select NULL Values in SQLAlchemy
Here’s my (PostgreSQL) table — I want to select all people that are not known to be married, i.e., including those with NULL marriage_status. This does not work — Of course this does — The problem is that I’m accessing it from SQLAlchemy with — which gets translated to — And does not work — neither does — How should
Python how to reduce multiple lists?
I am able to use map and sum to achieve this functionality, but how to use reduce? There are 2 lists: a, b, they have same number of values. I want to calculate The working version I wrote using map is How to use reduce then? I wrote: I got the error “TypeError: ‘float’ object is unsubscriptable”. Can anyone shed
How to copy a dict and modify it in one line of code
Very often I need to create dicts that differ one from another by an item or two. Here is what I usually do: The fact that there is a point in the program at which setup2 is an identical copy of setup1 makes me nervous, as I’m afraid that at some point of the program life the two lines might