4.2_typechk_type.py 文件源码

def displayNumType(num):
    print num, "is",
    if type(num) is types.IntType: # or : == types.IntType:
        print 'an integer'
    elif type(num) is long:
        print 'a long'
    elif type(num) is float:
        print 'a float'
    elif type(num) is types.ComplexType:
        print 'a complex number'
    else:
        print 'not a number at all!!'