def number32( binary ):
#Inverting binary string
binary = binary[::-1]
#Decimal part
dec = 1
for i in xrange(1,24):
dec += int(binary[23-i])*2**-i
#Exponent part
exp = 0
for i in xrange(0,8):
exp += int(binary[23+i])*2**i
#Total number
number = (-1)**int(binary[31])*2**(exp-127)*dec
return number
