TYPESCRIPT

how to check if a variable exists in python

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

#if the variable is global:
if 'myVar' in globals():
  # myVar exists.

if variable exists python

# If the variable exists at all:
if "myVar" in locals() or globals():
	# `myVar` exists


# If the variable is local: 
if "myVar" in locals():
	# `myVar` is local

# If the variable is global:
if "myVar" in globals():
	# `myVar` is global

how to check if var exists python

# for local
if 'myVar' in locals():
  # myVar exists.
# for globals
if 'myVar' in globals():
  # myVar exists.

check if variable exists python

try:
    myVar
except NameError:
    myVar = None      # or some other default value.

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