python的range()函数用法

参考http://www.cnblogs.com/buro79xxd/archive/2011/05/23/2054493.html 

# -*- coding: utf-8 -*-
"""
Created on Thu Jun 22 16:20:19 2017

@author: PETER
"""

array = [1, 2, 5, 3, 6, 8, 4]

print(array[0:]) 
print(array[1:])
print(array[:-1]) 
print(array[3:-3])

print(array[::2])
print(array[2::])
print(array[::3])
print(array[::4])

#reverse数组
print(array[::-1])
print(array[::-2])

for i in range(len(array)-1,0,-2):
    print(i)
print("\n")
for i in range(len(array)-1,0,-1):
    print(i)

#[1, 2, 5, 3, 6, 8, 4]
#[2, 5, 3, 6, 8, 4]
#[1, 2, 5, 3, 6, 8]
#[3]
#[1, 5, 6, 4]
#[5, 3, 6, 8, 4]
#[1, 3, 4]
#[1, 6]
#[4, 8, 6, 3, 5, 2, 1]
#[4, 6, 5, 1]
#6
#4
#2
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#6
#5
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#1