| S.replace(old, new[, count]) -> string | '''替换,用新的字符串(new),替换原字符串里有的老字符串(old),用 count 指定替换的次数,不指定则全部替换''' | Return a copy of string S with all occurrences of substring | old replaced by new. If the optional argument count is | given, ...
460 def zfill(x, width): 461 """zfill(x, width) -> string 462 463 Pad a numeric string x with zeros on the left, to fill a field 464 of the specified width. The string x is never truncated. 465 466 """ 467 if not isinstance(x, basestring): 468 x = repr(x) 469 return x...
Return a copy of the string S with trailing whitespace removed.If charsisgivenandnotNone, remove charactersinchars instead. 类似lstrip,区别是清除尾部的chars。 S.split(sep=None, maxsplit=-1) ->list of strings Return a list of the wordsinS, using sep as the delimiter string.If maxsplitisgi...
None): # real signature unknown; restored from __doc__ """ S.strip([chars]) -> str Return a copy of the string S with leading and trailing whitespace removed. If chars is given and not None, remove characters in chars instead. """ return "" 1. 2. 3. 4. 5. 6. 7.8. ...
""" Return a copy of the string converted to uppercase. """ pass def zfill(self, *args, **kwargs): # real signature unknown """ Pad a numeric string with zeros on the left, to fill a field of the given width. The string is never truncated. ...
这时候我考虑在str类中看看还有没有其他合适的方法,发现了几个以前忽视掉的使用方法。 str.zfill() 代码语言:txt AI代码解释 Docstring: 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. ...
| B.upper() -> copy of B | | Return a copy of B with all ASCII characters converted to uppercase. | | zfill(...) | B.zfill(width) -> copy of B | | Pad a numeric string B with zeros on the left, to fill a field | of the specified width. B is never truncated. | | ...
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 ...
You don’t have to pad octal escape sequences with leading zeros, though, when the character’s ordinal value isn’t big enough. The earlier date example ("10\25\1991") took advantage of it. Encoding ordinal values of ASCII characters on string literals could be helpful if a character ...
In a template string, the values between the curly braces, e.g. {created.year} are replaced with metadata from the photo being exported. In this case, {created.year} is the 4-digit year of the photo's creation date and {created.month} is the full month name in the user's locale ...