There’s no performance difference, as they compile to the same bytecode: Stylistically, I try to avoid not x is y, a human reader might misunderstand it as (not x) is y. If I write x is not y then there is no ambiguity.
You can use the + operator to combine them: Output:
You can use the round function, which takes as its first argument the number and the second argument is the precision after the decimal point. In your case, it would be:
I would check that the file is not empty first: Also open(target, ‘a’).close() is doing nothing in your code and you don’t need to use ;.
Use urllib.request.urlopen(): This is the most basic way to use the library, minus any error handling. You can also do more complex stuff such as changing headers. On Python 2, the method is in urllib2:
This works in Python 2.x. For Python 3 look in the docs:
Is there a goto or any equivalent in Python to be able to jump to a specific line of code?
Your server process has received a SIGPIPE writing to a socket. This usually happens when you write to a socket fully closed on the other (client) side. This might be happening when a client program doesn’t wait till all the data from the server is received and simply closes a socket (using close function). In a C program you …
The error is pretty clear. The file hello.py is not an executable file. You need to specify the executable: You’ll need python.exe to be visible on the search path, or you could pass the full path to the executable file that is running the calling script:
You probably need to install it using one of (or something similar to) the following: You can also mention version number like this sudo apt-get install python3.7-tk for python 3.7. Why don’t you try this and let me know if it worked: Here is the reference link and here are the docs Better to check versions as suggested here: Or you …