如何在python中数一句话(My email address is wang.lu@mail.shufe.edu.cn It was created on 1st Sept. 2017 Friday)中的e有几个
sentence = "My email address is wang.lu@mail.shufe.edu.cn It was created on 1st Sept. 2017 Friday"
count_e = sentence.count('e')
print( count_e)
不知道你这个问题是否已经解决, 如果还没有解决的话: