Try this
result = []
for x in range(1,13):
result.append((x, Boston_monthly_temp(x)))
Now result
contains the x
and avg
>>> for x, avg in result:
... print ("This was the average temperature in month number " + str(x) + " in Boston, 2014: ", avg)
...
This was the average temperature ...
This was the average temperatu ...
[...]