def avg(first, *rest): return (first + sum(rest)) / (1 + len(rest)) # Sample use avg(1, 2) # 1.5 avg(1, 2, 3, 4) # 2.5
>>> def avg(first, *rest): ... return (first + sum(rest)) / (1 + len(rest)) ... >>> avg(1, 2) 1 >>> avg(1, 2, 3, 4) 2
>>> def avg(first, *rest): ... return (first + sum(rest)) // (1 + len(rest)) # change '/' to '//' ... >>> avg(1, 2) 1 >>> avg(1, 2, 3, 4) 2
>>> def avg(first, *rest): ... return (first + sum(rest)) / (1 + len(rest)) ... >>> avg(1, 2) 1.5 >>> avg(1, 2, 3, 4) 2.5 >>> def avg(first, *rest): ... return (first + sum(rest)) // (1 + len(rest)) # change '/' to '//' ... >>> avg(1, 2) 1 >>> avg(1, 2, 3, 4) 2
>>> from __future__ import division >>> a = 4 >>> b = 6 >>> c = a / b >>> c 0.66666666666666663
c = a / float(b)
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