my_string = " ".join(["Hi", "Mohammad", "Dori"])

my_dict = {
    "item": "footbal",
    "price": 10
}
count = my_dict.get("count", 1)
count = my_dict.setdefault("count", 1)

data = [1, -5, 8, -3]
for index, number in enumerate(data):
    if number < 0:
        data[index] = 0

name = "Mohammad"
my_string = f"Hello {name}"

my_generator = (n**3 for n in range(10000))
sum_numbers = sum(my_generator))

squares = [n * n for n in range(10)]

d1 = {
    "name": "Mohammad Dori",
    "age": 25
}

d2 = {
    "name": "Mohammad Dori",
    "city": "Tehran",
    "job": "Developer"
}
merged_dict = {**d1, **d2}

my_list = [1, 3, 7, 7, 8, 5, 3, 2, 9, 7, 3]
unique_values = set(my_list)

color = "red"
main_colors = ["red", "blue", "green"]
if color in main_colors:
    print("its main color!")

data = [
    {
        "name": "ali",
        "age": 20,
    },
    {
        "name": "mohammad",
        "age": 17,
    },
    {
        "name": "sina",
        "age": 50
    }
]

sorted_data = sorted(data, key=lambda x: x["age"])

from collections import Counter

my_list = [4, 4, 4, 4, 8, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5]
counter = Counter(my_list)

print(counter)
most_common = counter.most_common(2)