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def two_fer(name="you"):
#return "One for " + name + ", one for me."
#return "One for %s, one for me." % name
#return "One for {}, one for me.".format(name)
return f"One for {name}, one for me."
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name = 'World'
program = 'Python'
print(f'Hello {name}! This is {program}')