2020-05-01
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修改人口总数列的数据类型为整型,题目详情见正文
df表详情如下:

请将population列的数据全部改成整型
参考代码:
df = pd.DataFrame({"State":[" United Kingdom ","Germany ","Spain"],"Population":["8,615,246","3,437,916","3,165,235"]})
df
df['Population']=df['Population'].apply(lambda x:int(x.replace(',',''))).astype("int")
df
代码结果:







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