In Python, a variable is not created until a value is assigned to it. If an attempt is made to use a variable before it is defined, aNameError: name 'x' is not definederror is thrown. The error message typically includes the name of the variable that is causing the problem and the ...
The following article provides an outline for Python NameError. NameError is a kind of error in Python that occurs when executing a function, variable, library, or string without quotes that have been typed in the code without any previous Declaration. When the interpreter, upon execution, canno...
Note: It is important to install Python 3.0.0 or later on your device to replicate this error. The code above results in the error below on your console. line 1: name xrange is not defined The main cause for this problem is that you have installed Python version 3.0.0 or later. The...
First, we will open and read the file and pass it as an argument to the exec() function. the exec() Function in Python 3 Python exec() function executes dynamically created code block, passed as a string. General Syntax: # Python 3.x exec(object, global, local) Three parameters are...
How to Remove Outliers in Python?Once identified, outliners need to be removed to make sure that the data to be processed is more precise to make the result better.Z-score Method The Z-score for the value of the dataset can be made a measure to remove outliers. Removing outliers from ...
Python provides importantmoduleslikeosandshutilto perform file operations such as deleting, renaming, copying, and moving files. File Deleting You can use theos.remove()method to delete a file in Python. The following code snippet shows how remove file namedexample.txt. ...
Remove ads Understanding How to Iterate Through a Dictionary in PythonAs a Python developer, you’ll often be in situations where you need to iterate through an existing dictionary while you perform some actions on its key-value pairs. So, it’s important for you to learn about the different...
Learn how to remove elements in a List in Python while looping over it. There are a few pitfalls to avoid. A very common task is to iterate over a list and remove some items based on a condition. This article shows thedifferent wayshow to accomplish this, and also shows somecommon pitf...
allow the superuser to attempt to hard link directories (note: will probably fail due to system restric‐ tions, even for the superuser)-f, --force remove existing destination files-i, --interactive prompt whether to remove destinations-L, --logical ...
1. Remove Elements From a List Based on the Values One of the reasons Python is a renowned programming language is the presence of the numerous inbuilt functions. These inbuilt functions are very handy and thereby make Python very convenient to write. ...