Verify CSV header elements against each row of the same file

csv_check.py

filecsv = "input.csv"

with open(filecsv, mode='r') as csvfile:
    reader = csv.reader(csvfile)
    line_count = 0
    head = []
    data = []
    for rows in reader:
        if line_count < 1:
            head = rows
        else:
            data = rows

            if len(head) != len(data):
                print "Fail:\tHeader [" + len(head).__str__()+ "] vs Row " \
                    + line_count.__str__() + \
                    " [" + len(data).__str__() + "]"
                print head
                print data
                exit(1)

        line_count += 1

    print "No problem found"