') # Use the correct key: if request == 'p': key = 'phone' if request == 'a': key = 'addr' # Only try to print information if the name is a valid key in # our dictionary: if name in people: print("{}'s {} is {}.".format(name, labels[key], people[name][key])) ...
x = "This is a misguided attempt to put a newline into a string without using backslash-n" 但是Python支持用三重双引号标识字符串,这样字符串中不用反斜杠就能包含单引号和双引号: x = """Starting and ending a string with triple " characters permits embedded newlines、and the use of " and '...
'backslashreplace' replaces malformed data by Python’s backslashed escape sequences. 'namereplace' (also only supported when writing) replaces unsupported characters with \N{...} escape sequences. newline controls how universal newlines mode works (it only applies to text mode). It can be ...
'backslashreplace' replaces malformed data by Python’s backslashed escape sequences. 'namereplace' (also only supported when writing) replaces unsupported characters with \N{...} escape sequences. newline controls how universal newlines mode works (it only applies to text mode). It can be ...
# (VPATH notes: Setup and Makefile.pre are in the build directory, as # are Makefile and config.c; the *.in and *.dist files are in the source # directory.) # Each line in this file describes one or more optional modules.
All escape sequences start with a backslash (\) in Python.When I try to run this code in Python, I'll see a warning:>>> print("C:\Windows") <unknown>:1: SyntaxWarning: invalid escape sequence '\W' C:\Windows The \W is an invalid escape sequence, so Python ends up treating the...
By using the backslash you can split the long \ string into smaller strings on separate lines so that the whole string is easy \ to view in the text editor.")) # 多行字符串也可用```或""" print("Output #16: {0:s}".format('''You can use triple single quotes for multi-line ...
In particular: do not break backwards compatibility just to comply with this PEP! Some other good reasons to ignore a particular guideline: When applying the guideline would make the code less readable, even for someone who is used to reading code that follows this PEP. ...
When r or R prefix is used before a regular expression, it means raw string. For example, '\n' is a new line whereas r'\n' means two characters: a backslash \ followed by n.Backlash \ is used to escape various characters including all metacharacters. However, using r prefix makes \...
Folder Path: the file folder location on the file system where subsequent folders are separated by a forward slash / (Unix) or backslash \ (Windows) File Name: the actual name of the file Extension: the end of the file path pre-pended with a period (.) used to indicate the file type...