How to display the entire contents of a file?

Question

Python

How to display the entire contents of the file, I need the code to be reduced to 1-2 lines, so

with open('g.txt', 'r') as f
A=f.read()
print (A)

not suitable, for a better explanation, I need to combine the first lines of the code I presented into one

Answer 1

the same can be shortened:

with open('g.txt', 'r') as f: 
    print(f.read())

or
with open('g.txt', 'r') as f: print(f.read())

Answer 2

print(open('g.txt', 'r').read())