文件路径未转译
SyntaxError: (unicode error) ‘unicodeescape’ codec can’t decode bytes in position 2-3: truncated \UXXXXXXXX escape
文件路径中文件类型未定义
ValueError: No engine for filetype: ‘’
列表元素转化为字符串输出
- q = [‘a’,‘b’,‘c’,‘d’]
print(",".join(q)) - 如果列表中是数字上述写法会报错:
TypeError: sequence item 0: expected str instance, int found
需要写为:print(str(x) for x in q)
Dataframe转list
全部:np.array(dataframe).tolist()
单独某列转化为list:df[‘colname’].tolist()
list转化为Dataframe
df = pd.dataframe(list,columns=[’’,’’,’’])