# Code your solution here
list_dup = ['a', 'a', 'a', 'n', 'z', 'e']

tot = 0
i = 0

while i < len(list_dup):
    if list_dup[i] == 'a':
        tot += 1
    i += 1

print(tot)
4f96ee5590475aa1d1b2e98ae8f4d4c967369858
<mask token>

<mask token>
while i < len(list_dup):
    if list_dup[i] == 'a':
        tot += 1
    i += 1
print(tot)

list_dup = ['a', 'a', 'a', 'n', 'z', 'e']
tot = 0
i = 0
while i < len(list_dup):
    if list_dup[i] == 'a':
        tot += 1
    i += 1
print(tot)

# Code your solution here
list_dup = ['a', 'a', 'a', 'n', 'z', 'e']

tot = 0
i = 0

while i < len(list_dup):
    if list_dup[i] == 'a':
        tot += 1
    i += 1

print(tot)