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Python crawler error

Source: Internet
Author: User
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Error description

Typeerror:list indices must be integers or slices, not str

Cause of error

When you take a tag attribute,
find_all()find()errors caused by differences in function and function

Detailed Find_all ()

No matter how many are found, the function returnslist

Find ()

Returns the first label that matches the criteria and returns the label

When you take a property, you must use the label

Coding

= tr.find("a")["href"]# 等同于= tr.find_all("a")[0]["href"]

Python crawler error

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