In [31]:
def writing():
""" Create a new file if necessary and write in it by input"""
print("Nom du fichier :")
filename=input()
f = open(filename, 'a')
f.close()
print("Nouvelles lignes de commandes ? O/N ?")
a = input()
while a == "O" :
print("Ecrire les nouvelles lignes de commandes :")
with open(filename, 'a') as f:
f.write(input())
print("Nouvelles lignes de commandes ? O/N ?")
a = input()
print("Affichage du contenu du fichier :")
with open(filename, 'r') as f:
print(f.read())