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Exercise 32 - for-loop

时间:2019-09-30 12:45:03      阅读:77      评论:0      收藏:0      [点我收藏+]

标签:elements   its   style   add   number   mes   cti   sts   and   

 

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)

output

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

 

2019-09-30

17:13:35

Exercise 32 - for-loop

标签:elements   its   style   add   number   mes   cti   sts   and   

原文地址:https://www.cnblogs.com/petitherisson/p/11612085.html

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