python中数字的几个小知识点

''' Created on 2011-9-28 @author: xgzhao ''' # chapter5 numbers anInt = 123 del anInt # complex aComplex = -1.23-3.45j print aComplex.real, aComplex.imag, aComplex.conjugate() # print 77 > 66 == 66 #same as (77>66) and (66 == 66) #floor divide '//' print 1.0/2.0 print 1.0//2.0 #functions build in print int(4.233), long(42), float(4), complex(2), complex(2.4, -8), #divmod()函数，把除法和取余操作结合起来，返回一个包含商和余数的元组 print divmod(10, 3) print round(3.49999, 1)