modify-sets.py

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# Tutorial: Set Modification in Python
# Sets are mutable. However, since they are unordered, indexing has no meaning.
# We cannot access or change an element of a set using indexing or slicing. Set data type does not support it.
# ------------------------------------------------------------------------------------

# We can add a single element using the add() method, and multiple elements using the update() method.
# The update() method can take tuples, lists, strings or other sets as its argument. In all cases, duplicates are avoided.

# initialize a
a = {1, 3}
print(a)

# a[0]
# if you uncomment the above line
# you will get an error
# TypeError: 'set' object does not support indexing

# add an element
# Output: {1, 2, 3}
a.add(2)
print(a)

# add multiple elements
# Output: {1, 2, 3, 4}
a.update([2, 3, 4])
print(a)

# add list and set
# Output: {1, 2, 3, 4, 5, 6, 8}
a.update([4, 5], {2, 6, 8})
print(a)

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# Challenge: Create a new set b and Update the set a to include the elements of set b.
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