f=open("test.log")lines=f.readlines()f.close()newline=input("give me more data: ")lines.append(newline)f=open("test.log","w")forlineinlines:line=line.rstrip()print(line,file=f)print(line)f.close()
give me more data: line 4
asd
dsf
sdfdsf
sfdfdsfdsfds
line 4