can you add a dictiaory to a set in python code example

Example 1: how do you change a string to only uppercase in python

original = Hello, World!

#both of these work
upper = original.upper()
upper = upper(original)

Example 2: How do you print a integer in python

x = 7
print('Number: ' + str(x))
#str() turns anything inside to a string which allows you to
#add it to another/different string