Code Signal_缁冧範棰榑isLucky

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Ticket numbers usually consist of an even number of digits. A ticket number is considered lucky if the sum of the first half of the digits is equal to the sum of the second half.

Given a ticket number n, determine if it鈥榮 lucky or not.

Example

    • For n = 1230, the output should be
      isLucky(n) = true;
    • For n = 239017, the output should be
      isLucky(n) = false.

 

 

鎴戠殑瑙ｇ瓟锛?/strong>

 1 def isLucky(n):
 2     n = str(n)
 3     li = []
 4     for i in n:
 5         li.append(i)
 6     f = int(len(li)/2)
 7     sum_l = 0
 8     sum_r = 0
 9     for x in li[:f]:
10        sum_l += int(x)
11     for y in li[f:]:
12        sum_r += int(y)
13     print(sum_l,sum_r)
14     return sum_l == sum_r
15 
16 鏈€鍚庝竴鍙ユ湰鏉ユ兂杩欐牱鍐欑殑锛?
17 if sum_l == sum_r:
18     return True
19 else:
20     return False
21 鍋氫簡鍑犻亾棰樺彂鐜板叾浠栦汉閮戒竴鍙ヨ瘽瀹屼簨锛屼簬鏄篃瀛﹀埌浜?..

 

鑶滄嫓澶т浆锛?/strong>

鎶€鏈垎浜浘鐗? id= 
def isLucky(n):
    s = str(n)
    pivot = len(s)//2
    left, right = s[:pivot], s[pivot:]
    return sum(map(int, left)) == sum(map(int, right))

鍒氬浜唌ap锛屼篃鐭ラ亾鎬庝箞鍥炰簨锛屽氨鏄兂涓嶈捣鏉ョ敤..杩樻槸寰楀缁冪粌鍏充簬map鐨?/span>
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