Make this ten line keyword search into a more complex 40 lines of code keyword search program using python

# change the following line to open different file

file_path='start.py'

print("Now I am going to open file: "+file_path)

file1=open(file_path)

lines=file1.readlines()

print("Now that the data is got, this file is now to be closed!")

file1.close()

# change the following line to search for another term

term='am'

for line in lines:

if term in line:

print(line)