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Intermediate Python for Developers

Jasmin Ludolf

Senior Data Science Content Developer

Rekapitulace kapitoly 1

Vestavěné funkce:
- print(), help(), type()
- max(), min(), sum()
- len(), round(), sorted()

Moduly:
- string, os

Balíčky:
- pandas

Rekapitulace kapitoly 2

# Create a custom function
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

Rekapitulace kapitoly 2

# Create a custom function
def average(values, rounded=False):

    # Round average to two decimal places if rounded is True
    if rounded == True:
        average_value = sum(values) / len(values)
        rounded_average = round(average_value, 2)
        return rounded_average

    # Otherwise, don't round
    else:
        average_value = sum(values) / len(values)
        return average_value

Rekapitulace kapitoly 2

def average(values):
    """
    Find the mean in a sequence of values and round to two decimal places.

    Args:
        values (list): A list of numeric values.

    Returns:
        rounded_average (float): The mean of values, rounded to two decimal places.
    """

    average_value = sum(values) / len(values)
    rounded_average = round(average_value, 2)
    return rounded_average

Rekapitulace kapitoly 2

# Use arbitrary positional arguments
def average(*args):
    average_value = sum(args) / len(args)
    rounded_average = round(average_value, 2)
    return rounded_average


# Use arbitrary keyword arguments
def average(**kwargs):
    average_value = sum(kwargs.values()) / len(kwargs.values())
    rounded_average = round(average_value, 2)
    return rounded_average

Rekapitulace kapitoly 3

lambda arguments: expression

names = ["john", "sally", "leah"]

# Apply a lambda function inside map()
capitalize = map(lambda x: x.capitalize(), names)

# Convert to a list
print(list(capitalize))

['John', 'Sally', 'Leah']

Rekapitulace kapitoly 3

Výstup ValueError potvrzující, že řetězec 'Hello' nelze převést na float

try
except
raise

Další kroky

Další vestavěné funkce:
- zip()
- input()
- reduce()
- filter()
Další balíčky a moduly:
- time
- venv
- requests
- fastapi

Úvod do objektově orientovaného programování

Klíčové pro vývoj softwaru ve velkém měřítku

Gratulujeme!

Intermediate Python for Developers