两个字符串中的常见字母
问题内容:
我一直在尝试解决该程序,该程序需要两个字符串作为输入并输出常见字母的数量。例如,如果输入是“ common”和“ connor”,则输出应为4(1 c,1
n和2 o’s)。我使用了set()函数,但输出3(将两个o都视为一个公共信件 )。任何帮助将不胜感激。谢谢!!!
顺便说一下,这是我写的代码:
print("Enter number of inputs: ")
c = int(input())
store = []
for each_item in range(c):
print("Enter First String: ")
one = input()
print("Enter Second String")
two = input()
s = len(set(one) & set(two))
store.append(s)
for each_number in store:
print(each_number)
问题答案:
>>> from collections import Counter
>>> Counter('common')
Counter({'m': 2, 'o': 2, 'c': 1, 'n': 1})
>>> Counter('connor')
Counter({'o': 2, 'n': 2, 'c': 1, 'r': 1})
>>> common = Counter('common') & Counter('connor') # intersection
>>> common
Counter({'o': 2, 'c': 1, 'n': 1})
>>> sum(common.values())
4