修改首字母大小写
使用.title()
示例
注意.title()后面的()留空即可,并且需要是英文半角name = 'ada lovelace'
print(name.title())
让全字段都大写或者小写
大写
使用.upper()
小写
使用.lowe()
规则同上
在字符串中使用变量
先看这一段代码
看看输出的结果

可知f'{}'即使调用前面的变量
其实是f'任意字符串{}'要调用的字段名必须用{}包裹起来
可以看看这一段

first_name = 'ada'
last_name = 'lovelace'
full_name = f'{first_name}{last_name}'
print(full_name)first_name = 'ada'
last_name = 'lovelace'
full_name = f'first_name,last_name{first_name}{last_name}'
print(full_name)
使用制表符或换行符来添加空白
制表符
\t
换行符
\n
删除空白
末尾
.rstrip
开头
.lstrip
前后
.strip

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