Definiera en anpassad funktion

Intermediate Python för utvecklare

Jasmin Ludolf

Senior Data Science Content Developer

Beräkna medelvärdet

# List of preparation times (minutes)
preparation_times = [19.23, 15.67, 48.57, 23.45, 12.06, 34.56, 45.67]


# Calculating average preparation time
average_time = sum(preparation_times) / len(preparation_times)


# Rounding the results
rounded_average_time = round(average_time, 2)
print(average_time)

28.46

När ska du skapa en anpassad funktion?

Upprepa inte dig själv (DRY)

Att tänka på när du skapar en anpassad funktion:
- Antal rader
- Kodens komplexitet
- Hur ofta koden används

Öken

Skapa en anpassad funktion

# Create a custom function to calculate the average value
def

Skapa en anpassad funktion

# Create a custom function to calculate the average value
def average

Skapa en anpassad funktion

# Create a custom function to calculate the average value
def average(

Skapa en anpassad funktion

# Create a custom function to calculate the average value
def average(values)

values (argument) – information som funktionen behöver för att utföra sitt arbete

Skapa en anpassad funktion

# Create a custom function to calculate the average value
def average(values):

Skapa en anpassad funktion

# Create a custom function to calculate the average value
def average(values):
    # Calculate the average
    average_value = sum(values) / len(values)

Skapa en anpassad funktion

# Create a custom function to calculate the average value
def average(values):
    # Calculate the average
    average_value = sum(values) / len(values)

    # Round the results
    rounded_average = round(average_value, 2)

Skapa en anpassad funktion

# Create a custom function to calculate the average value
def average(values):
    # Calculate the average
    average_value = sum(values) / len(values)

    # Round the results
    rounded_average = round(average_value, 2)


    # Return an output
    return

average_value och rounded_average är bara tillgängliga inom average()

Skapa en anpassad funktion

# Create a custom function to calculate the average value
def average(values):
    # Calculate the average
    average_value = sum(values) / len(values)

    # Round the results
    rounded_average = round(average_value, 2)

    # Return rounded_average as an output
    return rounded_average

Dokumentation är viktigt 📚

Använda en anpassad funktion

# List of preparation times (minutes)
preparation_times = [19.23, 15.67, 48.57, 23.45, 12.06, 34.56, 45.67]


# Calculating the average
print(average(preparation_times))

28.46

# List of orders
orders = [12, 8, 10, 9, 15, 21, 16]

print(average(orders))

12.86

Spara en funktions utdata

# Calculating the average
print(average(preparation_times))

28.46

# Storing average_time
average_time = average(preparation_times)

print(average_time)

28.46

Nu kör vi en övning!

Intermediate Python för utvecklare