6.9 字符串的课后练习讲解
练习
给定字符串:Lonely North Snow
统计字符串中有多少个n
将空格替换为|
按照|进行分割得到列表
str = "Lonely North Snow"
print(str)
count = str.count("n")
print(count)
str1 = str.replace(" ", "|")
print(str1)
str2 = str1.split("|")
print(str2)
输出结果:
Lonely North Snow 2 Lonely|North|Snow ['Lonely', 'North', 'Snow']
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