gistfile1.txt

first_line = "3"
second_line = "1 2 4"

def main(first_line, second_line):
    if int(first_line) != len(second_line.split()):
        return False
    else:
        return sum((int(item) for item in second_line.split()))


if main(first_line="3", second_line="1 2 4") == 7:
    print "Line Length Correct"
if not main(first_line="3", second_line="1 2 4 6 7"):
    print "Incorrect Array Length"