# Write a Python program to determine whether variable is defined or not.

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.")

# Write a Python program to determine whether variable is defined or not.

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.")

# Write a Python program to determine whether variable is defined or not.