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Python implements method to remove duplicate elements from list
Python implements method to remove duplicate elements from list
This article mainly introduces Python's method of removing duplicate elements from a list. It summarizes and analyzes four implementation methods of Python list deduplication in the form of examples, involving Python's related operation skills such as list traversal, judgment, and sorting. Friends who need it can refer to
. The example of this article describes the method of removing duplicate elements from the list in Python. Share it with everyone for your reference. The details are as follows:
A total of four methods are used to remove duplicate elements in the list. The following is the specific implementation:
#!usr/bin/env python
#encoding:utf-8
'''
__Author__:沂水寒城
功能：去除列表中的重复元素
'''
def func1(one_list):
'''''
使用集合，个人最常用
'''
return list(set(one_list))
def func2(one_list):
'''''
使用字典的方式
'''
return {}.fromkeys(one_list).keys()
def func3(one_list):
'''''
使用列表推导的方式
'''
temp_list=[]
for one in one_list:
if one not in temp_list:
temp_list.append(one)
return temp_list
def func4(one_list):
'''''
使用排序的方法
'''
result_list=[]
temp_list=sorted(one_list)
i=0
while i<len(temp_list):
if temp_list[i] not in result_list:
result_list.append(temp_list[i])
else:
i+=1
return result_list
if __name__ == '__main__':
one_list=[56,7,4,23,56,9,0,56,12,3,56,34,45,5,6,56]
print "脚本之家测试结果："
print func1(one_list)
print func2(one_list)
print func3(one_list)
print func4(one_list)The results are as follows:
Script House test results:
[0, 34, 3, 4, 5, 6, 7, 9, 12, 45, 23, 56 ]
[0, 34, 3, 4, 5, 6, 7, 9, 12, 45, 23, 56]
[56, 7, 4, 23, 9, 0, 12, 3, 34 , 45, 5, 6]
[0, 3, 4, 5, 6, 7, 9, 12, 23, 34, 45, 56]
Screenshot of running results:
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