Python Learning--judging the data types of variables

Source: Internet
Author: User

1 ImportTypes2 3AAA =04 Printtype (AAA)5 ifType (AAA) istypes. Inttype:6     Print "The type of AAA is int"7 ifisinstance (aaa,int):8     Print "The type of AAA is int"9 TenBBB ='Hello' One Printtype (BBB) A ifType (BBB) istypes. StringType: -     Print "The type of BBB is string" - ifisinstance (BBB,STR): the     Print "The type of BBB is string" -  - #If the type is nonetype,the isinstance does isn't work - #We should judge the nonetype like below + #if row is None - #if Type (row) is types. Nonetype +  A #In my opinion,use, the types to judge, the type of a param is Convinient<span style= "Font-family:arial;background-col Or:rgb (255, 255, 255); " The isinstance to judge whether a instance is a type of a class or not</span>

Python Learning--judging the data types of variables

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