If the above answer feels insufficient do not worry as this section was meant to be a quick reference for those who are already familiar with the topic. Read on for a more complete answer where we have explained everything you need to know about ByteArrays with the help of examples! Feel...
# a、b、c开头: 'abs', 'absolute', 'absolute_import', 'add', 'add_docstring', 'add_newdoc', 'add_newdoc_ufunc', 'add_newdocs', 'alen', 'all', 'allclose', 'alltrue', 'amax', 'amin', 'angle', 'any', 'append', 'apply_along_axis', 'apply_over_axes', 'arange', 'arcco...
add是增加单个元素,和列表的append操作类似,是原地修改 update是增加一个可迭代对象,和列表的extend操作类似,是原地修改 两个函数对于已经存在的元素会什么也不做 In [7]: s Out[7]: {0, 1, 2} In [8]: s.add(3) In [9]: s Out[9]: {0, 1, 2, 3} In [10]: s.add(3) In [11]: s...
>>>str()''>>>str(None)'None'>>> str('abc')'abc'>>> str(123)'123' bytearray:根据传入的参数创建一个新的字节数组 >>> bytearray('中文','utf-8') bytearray(b'\xe4\xb8\xad\xe6\x96\x87') bytes:根据传入的参数创建一个新的不可变字节数组 >>> bytes('中文','utf-8') b'\xe...
# Convert private key to WIF format wif_encoded_private_key = bitcoin.encode_privkey(decoded_private_key, 'wif') print "Private Key (WIF) is: ",wif_encoded_private_key # Add suffix "01" to indicate a compressed private key compressed_private_key = private_key + '01' ...
" " 1-byte argLONG_BINPUT=b'r'# " " " " " ; " " 4-byte argSETITEM=b's'# add key+value pair to dictTUPLE=b't'# build tuple from topmost stack itemsEMPTY_TUPLE=b')'# push empty tupleSETITEMS=b'u'# modify dict by adding topmost key+value pairsBINFLOAT=b'G'# push float...
['__add__', '__class__', '__contains__', '__delattr__', '__delitem__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__gt__', '__hash__', '__iadd__', '__imul__', '__init__', '__iter__'...
import bchlib BCH_POLYNOMIAL = 137 BCH_BITS = 5 def add_bch(wm): ''' 对于 str类型:a='1010' 或者 a='0b1010' bytearray(a, encoding='utf-8')= bytearray(b'0b1010') 对于16进制表示的二进制 ecc ''.join(format(x, '08b') for x in ecc)=str(1010)='1010' ''' full_wm_bytes...
add = lambda x, y: x + y result = add(3, 4) print(result) # 输出: 7 在上述代码中,我们使用Lambda表达式定义了一个匿名函数add,它接受两个参数x和y,并返回它们的和。然后,我们调用add函数并传递参数3和4,将返回值赋给result变量,并最终打印出结果7。
obj, seen=None):# From # Recursively finds size of objectssize = sys.getsizeof(obj)if seen isNone: seen = set() obj_id = id(obj)if obj_id in seen:return0# Important mark as seen *before* entering recursion to gracefully handle# self-referential objects seen.add(obj_id)if...