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Its very easy for Python 3 :
def simpleArraySum(ar): return(reduce(lambda x,y:x+y,ar))
This is the function
Go through this link.....
https://www.geeksforgeeks.org/python-lambda-anonymous-functions-filter-map-reduce/
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Simple Array Sum
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Its very easy for Python 3 : def simpleArraySum(ar): return(reduce(lambda x,y:x+y,ar)) This is the function Go through this link..... https://www.geeksforgeeks.org/python-lambda-anonymous-functions-filter-map-reduce/