how to check if a variable exists in python js check if function exists how to check if var exists python check if variable exists python

The solution for “how to check if a variable exists in python js check if function exists how to check if var exists python check if variable exists python” can be found here. The following code will assist you in solving the problem.

#if the variable is local:
if ‘myVar’ in locals():
# myVar exists

#if the variable is global:
if ‘myVar’ in globals():
# myVar exists.if (typeof yourFunctionName == ‘function’) {
yourFunctionName();
}# for local
if ‘myVar’ in locals():
# myVar exists.
# for globals
if ‘myVar’ in globals():
# myVar exists.try:
myVar
except NameError:
myVar = None # or some other default value.

# Now you’re free to use myVar without Python complaining.

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