Many people are used to having printf with its format expansion. Using lambdas and pythons % expansion, this can be done in a single line. It also does not add spaces or newlines (as print does).
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import sys printf = lambda fmt,*args: sys.stdout.write(fmt%args) printf ("This is a %s of %is of possibilities of %s","test",1000,printf)
Lambdas are neat to keep code clean, especially when the code in them is used often. The ordinary print statement adds either a linefeed or a single space to the end of the line - something one not always wants.