Python Answer to Embedly's Challenge 3

challenge3.py

freqWords = map(lambda x : 2520.0 / x, range(1,901))

wordTotal = 0;
wordHalfTotal = sum(freqWords)/2
for wordCount in range(1,901):
    wordTotal += freqWords[wordCount - 1];
    if wordTotal >= wordHalfTotal:
        print wordCount;
        break;