How to combine 3 arduino codes (main code + 2 sensors)

this is the code for T9602 i used

// Include the T9602 library
#include "T9602.h"
#include "Arduino.h"

// Declare variables -- just as strings
String header;
String data;

// Instantiate class
T9602 mySensor;







void setup() {

// scan I2C sensors
Serial.begin(9600);
Serial.println("Start I2C scanner ...");
Serial.print("\r\n");
byte count = 0;
byte i = 0;

Wire.begin();
for (byte i = 8; i < 120; i++)
{
Wire.beginTransmission(i);
if (Wire.endTransmission() == 0)
{
Serial.print("Found I2C Device: ");
Serial.print(" (0x");
Serial.print(i, HEX);
Serial.println(")");
count++;
delay(1);
}
}
// finish scan I2C sensors

}

void loop() {
// This is the minimum amount of time to wait before
// reading the sensor
delay(5000);

mySensor.updateMeasurements();

//float sensor data
float tempC = mySensor.getTemperature();
float humid = mySensor.getHumidity();
String reading = mySensor.getString();
String header = mySensor.getHeader();

//print sensor data to serial monitor
Serial.print("float tempC: ");
Serial.println(tempC);
Serial.print("float humid: ");
Serial.println(humid);
Serial.print("String all readings: ");
Serial.println(reading);
Serial.print("String reading units: ");
Serial.println(header);

}

// Take one reading every (delay + time to take reading) seconds
// and print it to the screen