# this is a comment

print "some basic numbers:"
print 12  # this is an integer number
print 12.5  # this is a floating point

print "results of adding:"
print 12 + 13  # results in an integer
print 12 + 0.5  # results in a float
print 0.5 + 12  # ditto

print "results of subtracting:"
print 12 - 8
print 12 - 25

print "results of multiplication:"
print 12 * 8
print 12 * -25

print "results of dividing:"
print 12 / 2
print 11 / 2
print 11 // 2  # integer division
print 11 % 2   # modulo

print "results of 'the power of':"
print 2 ** 8
print 10 ** 2
print 2 ** 0.5

print "let's cause an error:"
print 1 / 0