Ricorsione in python
Esempi di codice
ricuursion python
# Reccursion in python
def recursive_method(n):
if n == 1:
return 1
else:
return n * recursive_method(n-1)
# 5 * factorial_recursive(4)
# 5 * 4 * factorial_recursive(3)
# 5 * 4 * 3 * factorial_recursive(2)
# 5 * 4 * 3 * 2 * factorial_recursive(1)
# 5 * 4 * 3 * 2 * 1 = 120
num = int(input('enter num '))
print(recursive_method(num))
ricorsione in python
def yourFunction(arg):
#you can't just recurse over and over,
#you have to have an ending condition
if arg == 0:
yourFunction(arg - 1)
return argricorsione in python
def rec(num):
if num <= 1:
return 1
else:
return num + rec(num - 1)
print(rec(50)) funzione ricorsiva in python
def factorial(x):
"""This is a recursive function
to find the factorial of an integer"""
if x == 1:
return 1
else:
result = x * factorial(x-1)
return ()
num = 3
print("The factorial of", num, "is", factorial(num))ricorsione in python
houses = ["Eric's house", "Kenny's house", "Kyle's house", "Stan's house"]
# Each function call represents an elf doing his work
def deliver_presents_recursively(houses):
# Worker elf doing his work
if len(houses) == 1:
house = houses[0]
print("Delivering presents to", house)
# Manager elf doing his work
else:
mid = len(houses) // 2
first_half = houses[:mid]
second_half = houses[mid:]
# Divides his work among two elves
deliver_presents_recursively(first_half)
deliver_presents_recursively(second_half)
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