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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))
size is 12
size is 12
size is 14
size is 16
size is 21
size is 36
size is 28
size is 140
size is 116
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