def square_of_sum(L):

? ? L1=[]

? ? for x in L:

? ? ? ? L1.append(x*x)

? ? return sum(L1)

print square_of_sum([1, 2, 3, 4, 5])

print square_of_sum([-5, 0, 5, 15, 25])

def square_of_sum(L):
??? x = []
??? h = 0
??? for l in L:
??????? x.append(l * l)
??????? h += l*l
??? print(x)
??? return h
print (square_of_sum([1, 2, 3, 4, 5]))
print (square_of_sum([-5, 0, 5, 15, 25]))

#?功能實返回一個整數的逆序整數
#?切片
def?逆轉1(整數):
???????字符化整數?=?str(整數)
???????逆轉后整數?=?int(字符化整數[::-1])
???????return?逆轉后整數
#字符串拼接?????
def?逆轉2(整數):
???????逆轉后整數?=?''
???????字符化整數?=?str(整數)
???????for?i?in?字符化整數:
???????????逆轉后整數?=?i+逆轉后整數
???????return?逆轉后整數
?#還有其他很多辦法,自己研究一下

def revershow(x=0):

??s=str(x)

????sn=[]

????reverout=''

????for i in range(len(s)):

????????sn.append(s[i:i+1])

????for j in range(len(sn)) :

????????reverout=reverout+sn[len(sn)-j-1]

????print (reverout)

????return