for letter in 'Hello world':
    print(letter)

print('*'*10)

for index in range(5):
    print(index)

print('*'*10)

friends = ['Sanam', 'Ayush', 'Elvin']
for name in friends:
    print(name)

print('*'*10)

for index in range(len(friends)):
    print(friends[index])

print('*'*10)

