print 3+5*4 ...
print 12 / 5 ...
print 15 // 2 ...
print 15 % 2 ...
print 15,12, 8 ...
print (3+5)*4 ...
print 2 ** 3 ...
x=1; x+=2; print x ...
x=2; y=x**4; print x ...
x=4; y=x**2; print y ...

print "7*2= ",7*2 ...
print "Gruss" ...
print "5+3" ...
print "Hallo " + 'Welt' ...
print 2 * "Hi " ...