Untitled diff
创建于 差异永不过期
the_count = [1, 2, 3, 4, 5]
the_count = [1, 2, 3, 4, 5]
fruits = ['apples', 'oranges', 'pears', 'apricots']
fruits = ['apples', 'oranges', 'pears', 'apricots']
change = [1, 'pennies', 2, 'dimes', 3, 'quarters']
change = [1, 'pennies', 2, 'dimes', 3, 'quarters']
# this first kind of for-loop goes through a list
# this first kind of for-loop goes through a list
for number in the_count:
for number in the_count:
print "This is count %d" % number
print "This is the_count %d" % number
# same as above
# same as above
for fruit in fruits:
for fruit in fruits:
print "A fruit of type: %s" % fruit
print "A fruit of type: %s" % fruit
# also we can go through mixed lists too
# also we can go through mixed lists too
# notice we have to use %r since we don't know what's in it
# notice we have to use %r since we don't know what's in it
for i in change:
for i in change:
print "I got %r" % i
print "I got %r" % i
# we can also build lists, first start with an empty one
# we can also build lists, first start with an empty one
elements = []
elements = []
# then use the range function to do 0 to 5 counts
# then use the range function to do 0 to 5 counts
for i in range(0, 6):
for i in range(0,6):
print "Adding %d to the list." % i
print "Adding %d to the list." % i
# append is a function that lists understand
# append is a function that lists understand
elements.append(i)
elements.append(i)
# now we can print them out too
# now we can print them out too
for i in elements:
for i in elements:
print "Element was: %d" % i
print "Element was: %d" % i