x=int(raw_input("Please enter an integer:"))
if x<0:
x=0
print "Negative changed to zero"
elif x==0:
print "Zero"
else:
print "More"
运行结果：
Please enter an integer:0
Zero
a = ['cat', 'window', 'defenestrate']
for x in a:
print x, len(x)
运行结果：
cat 3
window 6
defenestrate 12