computing the mode

get (list)

currentcount = 0
prev = 0
mode = 0
modecount = 0
for x in list {
    if ( x == prev ) {
       currentcount = currentcount + 1
    } else {
       if (currentcount > modecount) { 
       	  modecount = currentcount
	  mode = x
       }
       currentcount = 1
       prev = x
    }
}

print ("most frequent number is ", mode, "(", modecount, " times)")