I’d like to implement yield and range to challenge myself and get a better understanding of both. I’m trying to use yield to loop through a function to get a random number within the list. And range used somewhere within as well. The current function below I have isn’t currently working.
NumList = [6,9,32,39,61,75,60,63,22,49,26,4,64,54,78,43,1,47,46,17,69,20,85,71,93,28,89,67,14,88,15,73,96,86,55,79,68,76,94,65] def PenTune(): for NumList in range(1): yield random.choice(list(enumerate(NumList))) for pos, item in PenTune(): print("pos:", pos, "itemvalue:", item)
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Answer
The following may hint you at what’s going on:
numList = [6,9,32,39,61,75,60,63,22,49,26,4,64,54,78,43,1,47,46,17,69,20,85,71,93,28,89,67,14,88,15,73,96,86,55,79,68,76,94,65] def PenTune(): e = list(enumerate(numList)) # only listify it once for _ in range(5): # or how many random index-value pairs you want yield random.choice(e) for pos, item in PenTune(): print("pos:", pos, "itemvalue:", item) pos: 37 itemvalue: 76 pos: 16 itemvalue: 1 pos: 29 itemvalue: 88 pos: 32 itemvalue: 96 pos: 8 itemvalue: 22
A less wasteful implementation:
def PenTune(): for _ in range(5): i = random.randint(0, len(numList)-1) yield i, numList[i]