Python 3 file read write append tutorial in Linux
a=open("/path/filename.txt","w")
a.write("hi")
a.close()
= filename.txt -) hi
a=open("/path/filename.txt","a")
a.write("hello")
a.close()
= filename.txt -) hi
hello
a=open("/path/filename.txt","r")
b=read()
print(b,end="")
a.close()
= hi
hello