Return True if the string is a whitespace string, False otherwise. A string is whitespace if all characters in the string are whitespace and there is at least one character in the string. """ pass def istitle(self, *args, **kwargs): # real signature unknown """ Return True if the s...
Pad a numeric string S with zeros on the left, to fill a field of the specified width. The string S is never truncated. """ return "" ...略...
1.请将带下划线风格的字符串转换成驼峰风格的输出(例子:python_test_string ===>PythonTestString) data ='python_test_string'result=''foriin(data.split("_")): result+=i.capitalize()print(result) 输出:PythonTestString 2.URL解析(例如:http://localhost:8080/python/data?para1=123 2=abc) url="...
Pad a numeric string S with zeros on the left, to fill a field of the specified width. The string S is never truncated.#以0的形式在左边填充"""return"" defljust(self, width, fillchar=None):"""S.ljust(width[, fillchar]) -> str Return S left-justified in a Unicode string of leng...
| left untouched. Characters mapped to None are deleted. | | upper(self, /) | Return a copy of the string converted to uppercase. | | zfill(self, width, /) | Pad a numeric string with zeros on the left, to fill a field of the given width....
upper() -> string Return a copy of the string S converted to uppercase. """ return "" def zfill(self, width): """方法返回指定长度的字符串,原字符串右对齐,前面填充0。""" """ S.zfill(width) -> string Pad a numeric string S with zeros on the left, to fill a field of the ...
Return a copy of S converted to uppercase. """ return "" def zfill(self, width): """ S.zfill(width) -> str Pad a numeric string S with zeros on the left, to fill a field of the specified width. The string S is never truncated. """ return ""...
Pad a numeric string S with zeros on the left, to fill a field of the specified width. The string S is never truncated. 示例: >>> 'Ab12'.zfill() #必须提供长度,不然报错 Traceback (most recent call last): File "", line 1, in ...
rjust: 多出来的指定地方由符号填充到字符串左边(Return a right-justified string of length width. Padding is done using the specified fill character (default is a space).) zfill: 多出来的指定地方由空格添加到字符串前面(Pad a numeric string with zeros on the left, to fill a field of the giv...
1. 特点 String 是不可变的，它是序列 字符串是属于一种容器类型，扁平型容器，它只能存放字符，它有...