test.py

##Q.1
print "trats"[::-1]

##Q.2
print 8 not in range(7,8)

##Q.3
print 0.0 is 0

##Q.4
print ' '.join(map(str, map(int, "1 2 3 4 5".split())))

##Q.5
a = {}
a['3'] = range(10)
a[3] = a["3"]
del a[3][8]
print a[str(3)][-2]

##Q.6
print sum(x for x in xrange(100) if 3 < x < 5)

##Q.7
t = lambda x: lambda y: x
print t(3)(4)

##Q.8
a = "%s"
print a%a*5

##Q.9
for x in xrange(10):
    if x > 20:
        break
else:
    print x,
print 10

##Q.10
print "finish"