Know your validators

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Match the following in-built flask WTForm validators with the definition that suits them best. You may find this flask validator documentation useful.

Match the items from left and right columns
InputRequired
AnyOf
Length
Compares the incoming data to a pre defined sequence of valid inputs
Matches the length of data in field is as specified as in definition
Specifies that the field cannot be blank, an input is always required
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