file = open("a_file.txt", "w+")
file.write("some text")
print(file.read())

file = open("a_file.txt", "w+")
file.write("some text")
file.close()
file = open("a_file.txt", "r")
print(file.read())
file.close()
file = open("a_file.txt", "w+") # open it again as I will write more into it later

with open('a_file.txt','w+') as f:
    f.write("some text")
with open('a_file.txt','r') as f:
    print(f.read())