#10-1Python学习笔记
filename = 'learning_python.txt'
with open(filename)as file_object:
    contents = file_object.read()
    print(contents)

with open(filename)as file_object:
    for line in file_object:
        print(line)

with open(filename)as file_object:
    lines = file_object.readlines()
for line in lines:
    print(line.rstrip())