プログラミングにおける命名術: 良い名前が重要な理由!

def f(x, y):
    return x * y

def calculate_rectangle_area(length, width):
    return length * width

# Bad: Unclear purpose
def process(data):
    result = []
    for item in data:
        if item > 0:
            result.append(item)
    return result

# Better: Clear and intentional
def filter_positive_numbers(number_list):
    return [number for number in number_list if number > 0]

# Avoid
usr_cnt = len(users)

# Prefer
user_count = len(users)

# Confusing
def get_user_info()
def get_user_data()
def get_user_details()

# Clear
def get_user_profile()

# Bad
def calc(x, y, z):
    return x * y / z

# Good
def calculate_average_rate(total_revenue, total_hours, number_of_projects):
    return total_revenue / (total_hours * number_of_projects)

# Great naming example
class CustomerAccount:
    MAX_WITHDRAWAL_LIMIT = 5000

    def calculate_monthly_interest(self, balance):
        return balance * 0.05

# Unclear
def update(state):
    pass

# Clear
def update_order_processing_state(order_status):
    pass