3x4 Keypad on UNO using analog pins converted to digital

Hello,

I am trying to set up my 3x4 keypad with my Arduino UNO, but I have already previously set up my circuit using pins 1-8 and A4-A5, leaving me with pins 0, 9-13, and 14-17 (A0-A1) for setting up my keypad. I know that I need to have 7 inputs for the keypad, but all the online tutorials do not use pins with a higher number than 9. Whenever I try to put double digit numbers in the keypad connections section of my code, I am given error messages. I have tried with single quotation marks and double quotation marks, but neither works. For double quotation marks, I get the following error message on the byte colPins[numCols] line:

exit status 1
too many initializers for 'byte [3] {aka unsigned char [3]}'

Is there a way to fix this issue without having to rearrange my circuit so that I use only single-digit pins for my keypad setup?

I have attached the applicable portion of my code.

// Libraries:
  #include <LiquidCrystal.h> // includes the LiquidCrystal Library 
  #include <Wire.h> // includes the Wire Library
  #include <LiquidCrystal_I2C.h> // includes the LiquidCrystal_I2C Library
  #include <Keypad.h> // includes the Keypad Library
  #include <Adafruit_Sensor.h> // includes the Adafruit_Sensor Library
  #include <Adafruit_TMP006.h> // includes the Adafruit_TMP006 Library




// Variables and Initial Setup:
  // establishes lcd pins
  LiquidCrystal lcd(1, 2, 4, 5, 6, 7); // Creates an LC object. Parameters: (rs, enable, d4, d5, d6, d7)
  // number of pushbutton pin
  int buttonPin = 3;
  // set variable for reading the pushbutton status
  int buttonState = 0;
  // assign digital pin 8 to the led light
  int led = 8;
  // set up temperature sensor
  Adafruit_TMP006 tmp006;
  // number of rows on the keypad
  const byte numRows= 4; 
  // number of columns on the keypad
  const byte numCols= 3;
  // keymap defines the key pressed according to the row and column just as it appears on the keypad
  char keymap[numRows][numCols]=
  {
    {'1','2','3'},
    {'4','5','6'},
    {'7','8','9'},
    {'.','0','#'}    
  };
  // keypad connections to the Arduino terminals
  // rows
  byte rowPins[numRows] = {'9',"10","11","12"};
  // columns
  byte colPins[numCols] = {"15","16","17"};
  // initializes an instance of the Keypad class
  Keypad myKeypad = Keypad(makeKeymap(keymap), rowPins, colPins, numRows, numCols);


void setup() {
 // initialize the pushbutton pin as an input
  pinMode(buttonPin, INPUT);
  // initialize the led pin as an output
  pinMode(led, OUTPUT);
  // allow the first four analog pins to be used as digital pins
  pinMode(A0, INPUT);
  digitalWrite(A0, HIGH);
  pinMode(A1, INPUT);
  digitalWrite(A1, HIGH);
  pinMode(A2, INPUT);
  digitalWrite(A2, HIGH);
  pinMode(A3, INPUT);
  digitalWrite(A3, HIGH);

Update: I realized that the online tutorials I had looked at told me to use single quotation marks, when in reality, I did not need any quotation marks. My problem has been solved!