python 基本数据类型占用内存空间大小的实例


            python中基本数据类型和其他的语言占用的内存空间大小有很大差别





import sys

a = 100

b = True

c = 100L

d = 1.1

e =""

f = []

g =()

h = {}

i = set([])



print " %s size is %d "%(type(a),sys.getsizeof(a))

print " %s size is %d "%(type(b),sys.getsizeof(b))

print " %s size is %d "%(type(c),sys.getsizeof(c))

print " %s size is %d "%(type(d),sys.getsizeof(d))

print " %s size is %d "%(type(e),sys.getsizeof(e))

print " %s size is %d "%(type(f),sys.getsizeof(f))

print " %s size is %d "%(type(g),sys.getsizeof(g))

print " %s size is %d "%(type(h),sys.getsizeof(h))

print " %s size is %d "%(type(i),sys.getsizeof(i))



 <type 'int'> size is 12 

 <type 'bool'> size is 12 

 <type 'long'> size is 14 

 <type 'float'> size is 16 

 <type 'str'> size is 21 

 <type 'list'> size is 36 

 <type 'tuple'> size is 28 

 <type 'dict'> size is 140 

 <type 'set'> size is 116 





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