import struct
a = 5.1
b = 10.0
c = 0.93
d = -4.44


# byte arrays
ba = bytearray(struct.pack("f", a))
bb = bytearray(struct.pack("f", b))
bc = bytearray(struct.pack("f", c))
bd = bytearray(struct.pack("f", d))

byteArray =  ba + bb + bc + bd

print byteArray


offset = 0
unpacked = []
while offset < len(byteArray):
    unpacked.append(struct.unpack_from("f", byteArray[offset:offset+4]))
    offset += 4

print unpacked