如果要迭代value,可以用for value in d.values(),如果要同时迭代key和value,可以用for k, v in d.items()。 由于字符串也是可迭代对象,因此,也可以作用于for循环: 列表生成式 举个例子,要生成list[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]可以用list(range(1, 11)): list(range(1, 11)) 1. 但...
然后,对键列表进行切片操作,取出前十个元素,并使用这些键从字典中获取对应的值。 # 创建一个示例字典my_dict={"a":1,"b":2,"c":3,"d":4,"e":5,"f":6,"g":7,"h":8,"i":9,"j":10,"k":11,"l":12}# 获取字典的键和值列表keys=list(my_dict.keys())values=list(my_dict.values(...
t_data = t_data.sort_values(by="num" , ascending=False) 软件、解答、源码、教程可以加Q群:832157862免费获取~ bar = (Bar(init_opts=opts.InitOpts(theme='purple-passion', width='1000px', height='600px')) .add_xaxis(t_data['region'].tolist()) .add_yaxis('出现次数', t_data['num...
The Python Standard Library’s built-in pdb module serves as an interactive debugger, offering line-by-line execution and variable state examination capabilities. Here’s a list of the top Python debugging tools: ToolPrimary FeaturesBest Used For pdb Interactive debugging, breakpoints Basic debugging...
,values='user_id',aggfunc='count') line = Line() line.add_xaxis([str(i)[:10] for i in behaviorpivot_h.index.tolist()]) line.add_yaxis("buy",_pivot_h["buy"]tolist(),label_opts=opts.LabelOpts(is_=False)) line.add_yaxis"cart",behavior_pivot_h["cart].tolist(),...
page_ranges=(x.split("-")forxinpage_range.split(","))range_list=[iforrinpage_rangesforiinrange(int(r[0]),int(r[-1])+1)] 最后就是从原始文件中拷贝内容到新的文件 代码语言:javascript 代码运行次数:0 运行 AI代码解释 forpinrange_list:output.addPage(input_pdf.getPage(p-1))output.write...
bar2.add_yaxis( "城市", province_top10.values.tolist()) bar2.set_global_opts(title_opts=opts.TitleOpts(title= "评论者Top10城市分布"), visualmap_opts=opts.VisualMapOpts(max_= 120), toolbox_opts=opts.ToolboxOpts()) bar2.render() ...
4、取出排行榜前十的姓名和财富数据 以两个list返回 1defloadtop10(path):2importxlrd3book =xlrd.open_workbook(path)4sheet1 =book.sheets()[0]5namelist = sheet1.col_values(1)6moneylist = sheet1.col_values(2)7namelist = namelist[1:11]8moneylist = moneylist[1:11]910moneylist2 =[]11for...
width=1.1sht_3.range('A1:AZ48').row_height=7.8list_1=pd.read_csv('zaike.csv').values...
Common Mistake #10: Misusing the__del__method Let’s say you had this in a file calledmod.py: import fooclassBar(object): ...def__del__(self): foo.cleanup(self.myhandle) And you then tried to do this fromanother_mod.py: