You can’t subtract a list from a list. >>> [3, 7] – [1, 2] Traceback (most recent call last): File “<stdin>”, line 1, in <module> TypeError: unsupported operand type(s) for -: ‘list’ and ‘list’ Simple way to do it is using numpy: >>> import numpy as np >>> np.array([3, 7]) – np.array([1, 2]) array([2, 5]) … Read more
You are assigning that array value by reference. passing argument through reference (&$) and by $ is that when you pass argument through reference you work on original variable, means if you change it inside your function it’s going to be changed outside of it as well, if you pass argument as a copy, function … Read more
You say that if int(splitLine[0]) > int(lastUnix): is causing the trouble, but you don’t actually show anything which suggests that. I think this line is the problem instead: print ‘Pulled’, + stock Do you see why this line could cause that error message? You want either >>> stock = “AAAA” >>> print ‘Pulled’, stock Pulled … Read more