UnboundLocalError: local variable 'trac2_id' referenced before assignment #28 Open aJanm opened last week ...

You have already written a “Hello, World!” program. As you can see, this isn’t very flexible—you provided the exact text you wanted to print. However, more often than not, we don’t know the values we ...

Stefania Druga is a research scientist at Google DeepMind and creator of AI education platform Cognimates. Early AI literacy helps kids develop healthy relationships with the tech as they learn to "co ...

If you're working in a Linux environment, chances are you've encountered environment variables—even if you didn’t realize it at the time. They quietly power much of what goes on behind the scenes in ...

Variables hold a wide variety of information temporarily. The JavaScript data types that can be stored in a variable include: JavaScript variables can hold a few other kinds of data, but these are by ...

Operators are simple symbols or keywords(reserved by python) that perform some task between two given values. These values can be string, integer, float, or any data ...

Lets geek out. The HackerNoon library is now ranked by reading time created. Start learning by what others read most. Lets geek out. The HackerNoon library is now ranked by reading time created. Start ...