作者:Damien Irving作者邮箱:irving.damien@gmail.com首页:https://github.com/DamienIrving/cmdline_provenance文档:Nonepython为什么叫爬虫,下载链接Command line provenancecmdline_provenance is a Python package for keeping track of your data processing steps
1.列表去重 #方法一
def delList(L):L1 = [ ]for i in L:if i not in L1:L1.append(i)return L1
print(delList(L1))#方法二:去重
L1=list(set(L))#a = [2,2,2,2,6,84,5,9]
#print(delList(a))
#a2 = list(set(a))
#print