How can you be able to save user input into a file in python language

Answer 1

with open(filename, "w") as f:
f.write(input());

Answer 2

if u want to save other inputs:

file = open("filename.txt", "r")
cont = file.read()

file.close()
file = open("newfile.txt", "w")
file.write(cont + ", " + input())
file.close()