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Learn python the hard way_习题32_循环和列表

2017-03-04 21:27 597 查看
the_count = [1, 3, 5, 6]

fruits = ['apple', 'oranges', 'pears', 'apricots']

change = [1, 'pennies', 2, 'dimes', 3, 'quarters']
# this first kind of for-loop goes through a list.
for people in the_count:

 print "This is people %d" % people
#same as above

for fruit in fruits:

 print "A fruit of type: %s" % fruit

 

#also we ca go through mixed lists too

#notice we have to use %r since we don't know what's in it.
for x in change:

 print "I got %r" % x

 

#we can also build lists, first start with an empty one

elements = []

#then use the range function to do 0 to 5 counts

for i in range(0, 6):

 print "Adding %d to the list." % i

 #append is a function that lists understand

 elements.append(i)

 

#now we can print them out

for i in elements:

 print "Element was:%d" % I

#note:
for X in list:
    print "..........%s" %X
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