import struct
 
def float_to_bin(value):
    # IEEE 754準拠の倍精度浮動小数点数をバイナリ形式に変換する
    packed = struct.pack("!d", value)
    # バイナリ形式を16進数文字列に変換する
    hex_str = "".join("{:02x}".format(b) for b in packed)
    # 16進数文字列を2進数文字列に変換する
    bin_str = "".join(bin(int(ch, 16))[2:].zfill(4) for ch in hex_str)
    return bin_str
 
print(float_to_bin(0.75))
 

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