Backend DevelopmentPython TutorialPython implements inputting five numbers and calculating the averagePython implements inputting five numbers and calculating the average
Idea:
Receive the input string, use spaces as delimiters, store the divided data in the list (lst1), and convert the data in lst1 Store it in another empty list (lst), convert the string into an integer when transferring, and use the function to find the sum and average of the numbers in lst.
Example code:
print("-----求平均值，可输入任意多个数-------")
lst = [] #定义一个空列表
str = raw_input("请输入数值，用空格隔开:")
lst1 = str.split(" ")#lst1用来存储输入的字符串，用空格分割
i = 0
while i <= len(lst1)+1:
lst.append(int(lst1.pop()))#将lst1的数据转换为整型并赋值给lst
i += 1
#print(lst)
def sum(list):
"对列表的数值求和"
s = 0
for x in list:
s += x
return s
def average(list):
"对列表数据求平均值"
avg = 0
avg = sum(list)/(len(list)*1.0) #调用sum函数求和
return avg
print("avg = %f"%average(lst))Run result:
-----求平均值，可输入任意多个数------- 请输入数值，用空格隔开:21 32 45 65 avg = 47.333333 ***Repl Closed***
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