# 10 examples of 'convert int to binary python' in Python

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``42def intlist_to_binary(intlist):43    '''Convert a list of integers to a binary string type'''44    return bytes(intlist)``
``53def to_binary(n, result=""):54    if n &lt; 2:55        return str(n) + result56    return to_binary(n/2, str(n%2) + result)``
``9def to_binary(x): return '' if x == 0 else to_binary(int(x / 256)) + chr(x % 256)``
``73def bytes_from_int(val):74    buf = []75    while val:76        val, remainder = divmod(val, 256)77        buf.append(remainder)7879    buf.reverse()80    return struct.pack('%sB' % len(buf), *buf)``
``56def bin2int(N):57    58    L = int(len(str(N)))  #將輸入的二進位數字變成字串並數出他的長度59    A = 0                 #設定兩個變數，其中A是用來計算最後的答案，K是用來計算迴圈運行的次數以及作為2的指數60    K = 061    while L &gt; K :         #設定迴圈條件，當執行的次數等於輸入的二進位數字長度後，便不再執行迴圈62        r = int(N%10)     #設定一個變數r,使其成為當前二進位數最右邊的數的值63        A = A + (2**K)*r  #計算當前所得到的數的總和64        N = N/10          #將當前二進位數最右邊的數值去掉65        K = K + 1         #執行次數加166    67    str(A)                #將最後的答案轉換成字串形式68    return A``
``292def _int_convert(value: int, bit_size: int, signed: bool) -&gt; int:293    value &amp;= (1 &lt;&lt; bit_size) - 1294    if signed and (value &amp; (1 &lt;&lt; (bit_size - 1))):295        value -= 1 &lt;&lt; bit_size296    return value``
``36def frombin(v):37    """MSB to LSB binary form"""38    return int("".join(map(str, v)), 2 )``
``111def binaryToLong(s):112    return pickle.decode_long(''.join(reversed(s)))``
``92def int_from_bytes(mybytes, byteorder='big', signed=False):93    """94    Return the integer represented by the given array of bytes.95    The mybytes argument must either support the buffer protocol or be an96    iterable object producing bytes.  Bytes and bytearray are examples of97    built-in objects that support the buffer protocol.98    The byteorder argument determines the byte order used to represent the99    integer.  If byteorder is 'big', the most significant byte is at the100    beginning of the byte array.  If byteorder is 'little', the most101    significant byte is at the end of the byte array.  To request the102    native byte order of the host system, use `sys.byteorder' as the byte103    order value.104    The signed keyword-only argument indicates whether two's complement is105    used to represent the integer.106    """107    if byteorder not in ('little', 'big'):108        raise ValueError("byteorder must be either 'little' or 'big'")109    if isinstance(mybytes, unicode):110        raise TypeError("cannot convert unicode objects to bytes")111    # mybytes can also be passed as a sequence of integers on Py3.112    # Test for this:113    elif isinstance(mybytes, collections.Iterable):114        mybytes = bytes(mybytes)115    b = mybytes if byteorder == 'big' else mybytes[::-1]116    if len(b) == 0:117        b = b'\x00'118    # The encode() method has been disabled by newbytes, but Py2's119    # str has it:120    num = int(b.encode('hex'), 16)121    if signed and (b[0] &amp; 0x80):122        num = num - (2 ** (len(b)*8))123    return num``
``37def integer_to_binarylist(num, binlen=0, strq=False):38    """39    Convert an integer number to a binary number in a form of a list.4041    Parameters42    ----------43    num : int44        Integer number.45    binlen : int46        Length of a list containing digits of a binary number.47    strq : bool48        If true then returns a string instead of a list.4950    Returns51    -------52    list53        A list containing digits of a binary number.54    """55    value = format(num, '0'+str(binlen)+'b')56    rez = value if strq else list(map(int, str(value)))57    return rez``