Python string in set

a_string = 'Hello World Hello'

# In case we want to get a 'set' of chars
print(set(a_string))
# Output -> {'W', 'r', 'l', 'H', 'd', ' ', 'o', 'e'}

# In case we want to get a 'set' of words
print(set(a_string.split()))
# Output -> {'Hello', 'World'}

Source: grepper.com

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