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macOS Python: List to String
- Thread starter iHerzeleid
- Start date
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Code: PIMPED!
Basically I'm using the string.join operator to join the list, but since join doesn't work with integers, I use the map function to turn each element of the list into a string first. Not sure if this is the most efficient method of going about it, but it works. Also notice I cleaned a few things up. In particular, you should really avoid calculating values and running functions more than once, as you were doing building the file name and then with the get_factors function, which could potentially be expensive.
Code:
def get_factors(x):
l = []
for i in range(1, (x + 2) / 2):
if (x % i == 0 and i != 1 and i != x):
l = l + [i]
return l
max_num = input("Please enter a number greater than 2: ")
out_file_name = "factors-" + str(max_num) + ".txt"
out_file = open(out_file_name, "w")
factors = get_factors(max_num)
print "Found " + str(len(factors)) + " numbers; please check the file " + out_file_name + "."
print factors
out_file.write("\n".join(map(str, factors)))
out_file.close()