X, Y, Z = 43, 44, 45
S = 'Spam'
D = {'a': 1, 'b': 2}
L = [1, 2, 3]
F = open('datafile.txt', 'w')
F.write(S + '\n')
F.write('%s,%s,%s\n' % (X, Y, Z))
F.write(str(L) + '$' + str(D) + '\n')
F.close( )
bytes = open('datafile.txt').read( )
print bytes
X, Y, Z = 43, 44, 45
S = 'Spam'
D = {'a': 1, 'b': 2}
L = [1, 2, 3]
F = open('datafile.txt', 'w')
F.write(S + '\n')
F.write('%s,%s,%s\n' % (X, Y, Z))
F.write(str(L) + '$' + str(D) + '\n')
F.close( )