the_count = [1, 2, 3, 4, 5]

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

change = [1, 'pennies', 2, 'dimes', 3, 'quarters']

# this first kind of for-loop goes through a list

for number in the_count:

    print "This is count %d" % number

# same as above

for fruit in fruits:

    print "A fruit of type: %s" % fruit

# also we can go through mixed lists too

# notice we have to use %r since we don't know what's in it

for i in change:

    print "I got %r" % i

# 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 too

for i in elements:

    print "Element was: %d" % i

输出

This is count 1

This is count 2

This is count 3

This is count 4

This is count 5

A fruit of type: apples

A fruit of type: oranges

A fruit of type: pears

A fruit of type: apricots

I got 1

I got 'pennies'

I got 2

I got 'dimes'

I got 3

I got 'quarters'

Adding 0 to the list.

Adding 1 to the list.

Adding 2 to the list.

Adding 3 to the list.

Adding 4 to the list.

Adding 5 to the list.

Element was: 0

Element was: 1

Element was: 2

Element was: 3

Element was: 4

Element was: 5