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創(chuàng)新互聯(lián)python教程：
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寫一個(gè) Python 程序，用 While 循環(huán)、For 循環(huán)和函數(shù)的例子來(lái)求N個(gè)自然數(shù)的和與均值。
用 For 循環(huán)求N個(gè)自然數(shù)的和與均值的 Python 程序
該程序允許用戶輸入任意整數(shù)值。接下來(lái)，這個(gè) Python 程序使用 For 循環(huán)計(jì)算從 1 到用戶指定值的自然數(shù)的總和和平均值。
# Python Program to find Sum and Average of N Natural Numbers
number = int(input("Please Enter any Number: "))
total = 0
for value in range(1, number + 1):
total = total + value
average = total / number
print("The Sum of Natural Numbers from 1 to {0} = {1}".format(number, total))
print("Average of Natural Numbers from 1 to {0} = {1}".format(number, average))用于循環(huán)輸出的自然數(shù)的 Python 和與均值
Please Enter any Number: 5
The Sum of Natural Numbers from 1 to 5 = 15
Average of Natural Numbers from 1 to 5 = 3.0使用 While 循環(huán)計(jì)算N個(gè)自然數(shù)的和與均值的 Python 程序
在這個(gè)尋找自然數(shù)的和與均值的 Python 程序中，我們將循環(huán)的替換為循環(huán)的。請(qǐng)參考 C 示例以迭代方式理解這個(gè) Python 代碼執(zhí)行。
# Python Program to find Sum and Average of N Natural Numbers
number = int(input("Please Enter any Number: "))
total = 0
value = 1
while (value <= number):
total = total + value
value = value + 1
average = total / number
print("The Sum of Natural Numbers from 1 to {0} = {1}".format(number, total))
print("Average of Natural Numbers from 1 to {0} = {1}".format(number, average))Python 使用 while Loop 輸出自然數(shù)的總和和平均值
Please Enter any Number: 10
The Sum of Natural Numbers from 1 to 10 = 55
Average of Natural Numbers from 1 to 10 = 5.5用函數(shù)計(jì)算N個(gè)自然數(shù)的和與均值的 Python 程序
在這個(gè)尋找自然數(shù)的和與均值的 Python 程序中，我們創(chuàng)建了一個(gè)新的函數(shù)來(lái)尋找自然數(shù)的和與均值。在這個(gè)函數(shù)中，我們使用了 If Else 語(yǔ)句
# Python Program to find Sum and Average of N Natural Numbers
def sum_and_avg_of_natural_numbers(num):
if(num == 0):
return num
else:
return (num * (num + 1) / 2)
number = int(input("Please Enter any Number: "))
total = sum_and_avg_of_natural_numbers(number)
average = total / number
print("The Sum of Natural Numbers from 1 to {0} = {1}".format(number, total))
print("Average of Natural Numbers from 1 to {0} = {1}".format(number, average))Python 使用函數(shù)輸出自然數(shù)的總和和平均值
Please Enter any Number: 100
The Sum of Natural Numbers from 1 to 100 = 5050.0
Average of Natural Numbers from 1 to 100 = 50.5用遞歸實(shí)現(xiàn)N個(gè)自然數(shù)的和與均值的 Python 程序
這個(gè) Python 程序求自然數(shù)的和與均值和上面的例子一樣，但是這次我們用的是遞歸。
# Python Program to find Sum and Average of N Natural Numbers
def sum_and_avg_of_natural_numbers(num):
if(num == 0):
return num
else:
return (num + sum_and_avg_of_natural_numbers(num - 1))
number = int(input("Please Enter any Number: "))
total = sum_and_avg_of_natural_numbers(number)
average = total / number
print("The Sum of Natural Numbers from 1 to {0} = {1}".format(number, total))
print("Average of Natural Numbers from 1 to {0} = {1}".format(number, average))標(biāo)題名稱：Python程序：求N個(gè)自然數(shù)的和與均值
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