In Python 2.x The following example makes use of the iteritems() function to get a variable name as a string in Python. 1 2 3 4 5 6 # Python 2 code x = 7 x = [ i for i, a in locals().iteritems() if a == x][0] print("The variable name:", x) The above code pr...
We can use differentvariable namesin python programming. This can be one letter like a, b, x etc., one more letter or a combination of letters, digits and underscore character (_). Avariable namecan start with a lower case, upper case or underscore character. But a python variable name ...
Print Variable Name With a Dictionary in Python As discussed above, bothglobals()andlocals()functions return a dictionary that maps variables to their values. We can replicate that same functionality by creating a dictionary that contains variable names and their corresponding values in the form of...
python: aliased to /usr/local/bin/python3 $whichpython3 /usr/bin/python3 $whichpy3 py3: aliased to python shebangenv #! #!/usr/bin/env python3 #!/usr/bin/python3 demos refs https://stackoverflow.com/questions/152580/whats-the-canonical-way-to-check-for-type-in-python ©xgqfrms 2...
Theexec()function is used to execute this string as Python code. This effectively creates a variable nameddynamicVarwith the value42in the current namespace. Finally, we demonstrate that this variable has been created and contains the expected value by printing it. ...
ssl.SSLError: [SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:1002) I wrotea bookin which I share everything I know about how to become a better, more efficient programmer. You can use the search field on myHome Pageto filter through all of my articles. ...
You should use .items() to access key-value pairs when iterating through a Python dictionary. The fastest way to access both keys and values when you iterate over a dictionary in Python is to use .items() with tuple unpacking.To get the most out of this tutorial, you should have a ba...
Just keep in mind that a {% load %} statement will load tags/filters for the given Python module name, not the name of the app. To be a valid tag library, the module must contain a module-level variable named register that is a template.Library instance, in which all the tags and ...
In Python, a variable either exists or it doesn't: >>>nameTraceback (most recent call last):File"<stdin>", line1, in<module>NameError:name 'name' is not defined If it doesn't exist,assigning to that variablewill make it exist: ...
Determining Python Variable's TypeTo determine the type of a variable, you can simply use either type() or isinstance() methods, both methods are built-in methods of the Python standard library. In this tutorial, we will be learning about these methods, and how can we use these methods ...