How we can do this in python?

Question

I have a python code.it contain many variables.and I want to find variable name, it means if python code contain this variable which I want to find it,than it will run otherwise not run.and how i can find the variable present or not present in my Python code.How I can do that in python.

Answer 1

# to find all the local variables
if 'var' in locals().keys():
print 'yes'

# to find all the global variables
if 'var' in globals().keys():
print 'yes'

Answer 2

I have a idea.

try:
print(x)
except NameError:
print('Variable is not found')

Answer 3

Maninder Singh yeah nice!

Answer 4

Self help is the best help!