How do I check if a variable exists?

Question

I want to check if a variable exists. Now I\'m doing something like this:

try:
   myVar
except NameError:
   # Do something.

Are there othe

Answer 1

I created a custom function.

def exists(var):
     return var in globals()

Then the call the function like follows replacing variable_name with the variable you want to check:

exists("variable_name")

Will return True or False