seek) Help on built-in function seek: seek(...) seek(offset[, whence]) -> None. Move to new file position. #offse 偏移量,默认是0 whence从什么位置偏移,0表示从文件头开始偏移,1表示从当前位置开始偏移,2表示从文件尾开始偏移,默认是0 Argument offset is a byte count. Optional argument whence...
Strip trailing whitespace册除尾随空白 Remove trailing space and other whitespace characters after the last non-whitespace(character of a line by applying str.rstrip to each line,including lines within multiline strings. Except for Shell windows, remove extra newlines at the end of the file. 通过对...
默认为空格) """ 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 ""
| splits are done. If sep is not specified, any whitespace string | is a separator. | | rstrip(...) | S.rstrip([chars]) -> str | | Return a copy of the string S with trailing whitespace removed. | If chars is given and not None, remove characters in chars instead. | | spli...
function_infos 3.13 generated_peg_parser standard_parser_without_eval frames_stack_as_linked 3.12 new_exec new_call 3.11-dev revert-2036-randomness-overhaul gh-pages 3.13.1 3.13.0 3.12.5 3.12.4 3.12.3 3.12.2 3.12.1 3.12.0 3.11.3
remove both: 'shark' The following example demonstrates how to use the same strip methods to trim multiple whitespace characters from a string: s2=' \n shark\n squid\t 'print(f"string: '{s2}'")s2_remove_leading=s2.lstrip()print(f"remove leading: '{s2_remove_leading}'")s2_remove_tra...
return log_function_called 编写其他函数，最终将装饰器添加进去（但尚未）。def my_name():print('chris')def friends_name():print('naruto')my_name()friends_name()#=> chris #=> naruto 现在将装饰器添加到两者。@logging def my_name():print('chris')@logging def friends_name():print('naruto'...
prefix can also be a tuple of strings to try. """ return False def strip(self, chars=None): """ 移除两段空白 """ """ S.strip([chars]) -> string or unicode Return a copy of the string S with leading and trailing whitespace removed. If chars is given and not None, remove ...
download links (replace with your file path) file_path = 'd.txt' # Function to download...
foo=long_function_name(var_one,var_two,var_three,var_four) 当if语句的条件部分足够长,需要跨多行编写时,值得注意的是,两个字符的关键字(即 if),加上一个空格,再加上一个开括号,会为多行条件的后续行创建一个自然的4个空格缩进。这可能会在if语句内嵌的缩进代码块的可视上产生冲突,后者也会自然地缩进...