

>>> name = " Frank " >>> name.strip() 'Frank'
字符串的分割, split("分隔符"),分组后成为一个列表
>>> name = "Apple, banbana, orice"
>>> name.split(",")
['Apple', ' banbana', ' orice']
>>>字符串的合并 join("连接符")
>>> name = ['Frank', 'Marlon', 'Lee'] >>> "|".join(name) 'Frank|Marlon|Lee'
判断空格是否子字符串中 “in”
>>> name = "Frank Bain" >>> '' in name True >>> "L" in name False >>>
两种字符串格式化打印形式 format
# 第一种表示方法
>>> msg = "Hello {name}, your age is {age}"
>>> msg.format(name="Frank", age=24)
'Hello Frank, your age is 24'
>>>
# 第二种表示方法 ,注意index 从0 开始
>>> msg = "Hello{0}, your age is {1}, sex is {2}"
>>> msg.format("Frank", 24, "man")
'HelloFrank, your age is 24, sex is man'
>>>字符串的判断
>>> name = "Frank"
>>> name.upper()
'FRANK'
>>> name.lower()
'frank'
>>> name.startswith("F")
True
>>> name.endswith("k")
True
>>> name.endswith("a")
False