找出名字重复次数最多的城市

city_data = ["New York", "London", "Tokyo", "New York", "Paris", "Tokyo", "London", "New York"]

city_count = {}
max_count = 0
most_common_cities = []

for city in city_data:
    if city in city_count:
        city_count[city] += 1
    else:
        city_count[city] = 1

for city, count in city_count.items():
    if count > max_count:
        max_count = count
        most_common_cities = [city]
    elif count == max_count:
        most_common_cities.append(city)

print("The most common cities are:")
for city in most_common_cities:
    print(city)

The most common cities are:
New York