tkb*_*kbx 29 python arrays random list
可能重复:
Python列表与数组 - 何时使用?
我正在使用Python开展一些项目,我有几个问题:
Mat*_*ock 39
除非您需要C数组库中的某些非常具体的功能,否则请使用列表.
python确实有三个原始数据结构
tuple = ('a','b','c')
list = ['a','b','c']
dict = {'a':1, 'b': true, 'c': "name"}
list.append('d') #will add 'd' to the list
list[0] #will get the first item 'a'
list.insert(i, x) # Insert an item at a given position. The first argument is the index of the element before which to insert, so a.insert(0, x) inserts at the front of the list, and a.insert(len(a), x) is equivalent to a.append(x).
list.pop(2) # will remove items by position (index), remove the 3rd item
list.remove(x) # Remove the first item from the list whose value is x.
list.index(x) # Return the index in the list of the first item whose value is x. It is an error if there is no such item.
list.count(x) # Return the number of times x appears in the list.
list.sort(cmp=None, key=None, reverse=False) # Sort the items of the list in place (the arguments can be used for sort customization, see sorted() for their explanation).
list.reverse() # Reverse the elements of the list, in place.
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有关数据结构的更多信息,请访问:http: //docs.python.org/tutorial/datastructures.html
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