longestword.py

"""CHALLENGE DESCRIPTION:
In this challenge you need to find the longest word in a sentence. If the sentence has more than one word of the same length you should pick the first one.
INPUT SAMPLE:
Your program should accept as its first argument a path to a filename. Input example is the following
1 some line with text
2 another line
Each line has one or more words. Each word is separated by space char.
OUTPUT SAMPLE:
Print the longest word in the following way.
1 some
2 another
"""


def longest_word(sentence):
    words = sentence.split()
    longest = words[0]
    for word in words:
        if len(word)>len(longest):
            longest = word
    print longest

longest_word("another line")