(Python Example for Citizen Data Scientist & Business Analyst)   Write a Python program to determine whether variable is defined or not. Sample Solution Python Code: try: x = 1 except NameError: print(“Variable is not defined….!”) else: print(“Variable is defined.”) try: y except NameError: print(“Variable is not defined….!”) else: print(“Variable is defined.”) Sample Output: Variable … Continue reading Python Example – Write a Python program to determine whether variable is defined or not