# fruits1 =['mango','orange']
# fruits1.insert(0,"banana")
# print(fruits1)

# fruits1 =['mango','orage']
# fruits2 =['grape','apple']
# fruits =fruits1 + fruits2
# print(fruits)

f1=['a','b','c']
f2=['c','d','e']

f1.append(f2)


print(f1)
f1.extend(f2)
print(f1)