Python determines whether a variable is an int, a string, a list, a tuple, a dictionary, and so on

In the actual writing program, the variable type is often judged, in addition to the type (variable) This method, you can also use the isinstance method to determine:

#!/usr/bin/env pythona = 1b = [1,2,3,4]c  =  (1,2,3,4) d = {' a ': 1, ' B ': 2, ' C ':3}e =  "abc" if isinstance (a,int):     print  "A is int" else:    print  "A is not  int "If isinstance (b,list):    print " B is list "else:     print  "B is not list" If isinstance (c,tuple):     print   "C is tuple" else:    print  "C is not tuple" if  Isinstance (d,dict):    print  "D is dict" Else:    print   "D is not dict" If isinstance (e,str):    print  "D is  str "else:    print " D is not str "

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Python determines whether a variable is an int, a string, a list, a tuple, a dictionary, and so on