args, kwargs PY

Nutnost: Dictionary PY, seznamy, funkce python (pouze Funkce JS v JS, jiná syntax, podobný meaning) SRC: https://www.youtube.com/watch?v=4jBJhCaNrWU

*args
**kwargs

Unpacking

nums = [1,2,3]
print(nums)
# [1,2,3]
print(*nums)
# 1,2,3

Args

function (...args) {
	console.log(...args)
	return args
}

def order_pizza(velikost, *polevy):
	print(f"Objednal sis {velikost} pizzu.")
	print("Polevy:)
	for x in polevy:
		print(x)

polevy jsou args. Bere jakékoliv množství.

Kwargs

def order_pizza(velikost, *polevy, **detaily):
	print(f"Objednal sis {velikost} pizzu.")
	print("Polevy:)
	for x in polevy:
		print(x)
	print("Detaily")
	for key, value in details.items():
		print(key, value)
order_pizza(delivery=True, tip=5) 

Detaily jsou kwargs, bere dictionary