| repr() or if it is empty. | | isspace(self, /) | 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
/usr/bin/env python """ Module docstring. """ import sys import optparse def process_command_line(argv): """ Return a 2-tuple: (settings object, args list). `argv` is a list of arguments, or `None` for ``sys.argv[1:]``. """ if argv is None: argv = sys.argv[1:] # in...
The Python interpreter uses whitespace indentation to determine which pieces of code are grouped together in a special way — for example, as part of a function, loop, or class. How much space is used is not typically important, as long as it is consistent. If two spaces are used to ...
If sep is not specified or is None, any whitespace string is a separator. """ return [] def rstrip(self, chars=None): """ S.rstrip([chars]) -> string or unicode Return a copy of the string S with trailing whitespace removed. If chars is given and not None, remove characters in...
a nice string representation of the object. | If the argument is a string, the return value is the same object. | | Method resolution order: | str | basestring | object | | Methods defined here: | | __add__(...) | x.__add__(y) <==> x+y | | __contains__(...) | x...
通常情况下,使用isinstance检查的if/elif/elif链执行不同操作取决于对象类型通常是不可以的:你应该使用多态性来实现这一点——即,设计你的类使解释器分派调用到正确的方法,而不是在if/elif/elif块中硬编码分派逻辑。另一方面,如果必须强制执行 API 契约,则对 ABC 执行isinstance检查是可以的:“伙计,如果你想调用我...
def lstrip(self, chars=None): # real signature unknown; restored from __doc__ () """ S.lstrip([chars]) -> str Return a copy of the string S with leading whitespace removed. (将字符串的副本返回,并删除主要空白) If chars is given and not None, remove characters in chars instead. (...
If sep is not specified or is None, any whitespace string is a separator and empty strings are removed from the result. (END) In [12]: s1.spli s1.split s1.splitlines In [12]: s1.split() Out[12]: ['xie', 'xiao', 'jun'] In [16]: s1.split("",2) --- ValueError Trace...
The decision of when to implicitly intern a string is implementation-dependent. There are some rules that can be used to guess if a string will be interned or not: All length 0 and length 1 strings are interned. Strings are interned at compile time ('wtf' will be interned but ''....
Return a copy of the string S with leading whitespace removed.| If chars is given and not...