# example of the immutable tuple

# dimensions = (200, 50)
# print(dimensions)
# print(dimensions[0])
# print(dimensions[1])

# attempting to change the first element in the tuple

#dimensions = (200, 50)
#dimensions[0] = 250

# example of a one-element tuple

#my_tuple = (3,)
#print(my_tuple)

# looping through the elements of a tuple

# dimensions = (200, 50)
#for dimension in dimensions:
#    print(dimension)

# writing over a tuple
    
dimensions = (200, 50)
print("Original dimensions:")
for dimension in dimensions:
    print(dimension)

dimensions = (400, 50)
print("\nModified dimensions")
for dimension in dimensions:
    print(dimension)