quarry item counting program error

i am getting this error message "bios:206: [string "quarry"]:56: ')' expected" and I have tried everything and anything to fix it please help




lastvalue = {}
count = {}
colours = {}

colours[1]=" |white |dirt "
colours[2]=" |orange |cobble "
colours[3]=" |magenta |gravel "
colours[4]=" |lightBlue |redstone "
colours[5]=" |yellow |coal "
colours[6]=" |lime |uranium "
colours[7]=" |pink |nikolite "
colours[8]=" |grey |diamond "
colours[9]=" |lightGrey |lapis "
colours[10]=" |cyan |tungsten "
colours[11]=" |purple |iron ore "
colours[12]=" |blue |silver ore"
colours[13]=" |brown |copper ore"
colours[14]=" |green |tin ore "
colours[15]=" |red |gold ore "
colours[16]=" |black"


for i = 1, 15 do
lastvalue = false
count = 0
end

while x ~= "end" do
for i = 1, 15 do
y = rs.getBundledInput("back")



if lastvalue == false and colors.test(y, 2^(i-1)) then
count = count +1
lastvalue = true
end – if lastvalue false
if lastvalue == true and colors.test(y, 2^(i-1)) == false then
lastvalue = false
end – for 1 4
end – if lastvalue true





sleep (0.01)
term.clear()
print("|Item |Input |Item |Number of |RS signal")
print("|Detector |Colour |Type |Items |False or ")
print("|Number | | |Recorded |True")
print("|———–|————-|————|————–|———")
for i = 1, 9 do

y = rs.getBundledInput("back")
print("|", i," ", colours, " ","|",count," ", " "," |",colors.test(y, 2^(i-1)))
end – for i = 1, 15
for i = 10, 15 do
y = rs.getBundledInput("back")
print("|", i," ", colours, " ", "|",count, " ", " "," |",colors.test(y, 2^(i-1)))
end – for i = 1, 15
end – while x