gistfile1.py

import numpy as np

def stats(path, string):
    # Write to stats text file
    filename = path
    f = open(filename, 'a')
    f.write(string)
    f.close()

headers = np.array(['Name', 'Temperature (C)', 'Heat Flux (kw/m2)'])
values = np.array([[1,2,3],[4,5,6],[7,8,9]])

output = np.row_stack([headers, values])

output = output.tolist()
print output
for n in range(len(output)):
    outstring = output[n] + ['\n']
    stats('output.csv', ','.join(outstring))