How can I programmatically build a string containing escaped characters to pass as an argument to a function in Python? Question: I am trying to build the string below programatically: string0 = ‘case when "LETTER" in (‘a’,’b’) then "LETTER" else ‘other letter’ end’ I do: a_list = [‘a’,’b’] string = ‘(\”+’\’,\”.join(a_list)+’\’)’ string2 = ‘case when …
How can I display a string with its rational expressions, such as '' Question: I want to display a rational expression using Python 3. Because it is stored in my variable, it applies the effect of the backslash on my terminal, here is the rational expression I try to display : struct = "{}"{}"{}{}{}" So …
convert byte to string represented with backslahes in python Question: I have a python byte object like a = b’1′ I want to convert to string like "\x31" is there any easy way to do this? Ultimately I have a byte object like my_obj = b’x00$x00x00x001.1.0.00x00x00x00x00x00x00x00x001.1.0.21152x00x00′ and I want it to have a string with …
Extract numbers from string with backslash Question: I need to extract the numbers from a string in the following format: ‘18311840’. I tried: st = ‘18311840’ re.findall(r"[-+]?(?:d*.d+|d+)", st) output: [‘183’, ‘8’] st.split(‘\’) output: [‘183t8 ‘] Asked By: Naomi Fridman || Source Answers: You have confused the REPRESENTATION of your string with the CONTENT of your …
How to remove backslash from string in Python? Question: I need to remove backslash (”) from string in Python. str2 = str1.replace(”, ”) isn`t working. How can i do it? Asked By: Egor Demeshko || Source Answers: This is due to being the escape sequence character in python so you have to do \ str2 …
Why isn't it possible to use backslashes inside the braces of f-strings? How can I work around the problem? Question: In Python >=3.6, f-strings can be used as a replacement for the str.format method. As a simple example, these are equivalent: ‘{} {}’.format(2+2, “hey”) f'{2+2} {“hey”}’ Disregarding format specifiers, I can basically move the positional …
ignoring backslash character in python Question: If I have: a = "fwd" b = "fwd" how can I ignore the "" so something like print(a in b) can evaluate to True? Asked By: Kevin R. || Source Answers: One way of doing it using raw strings: >>> a = “fwd” >>> b = “fwd” >>> …
Why does printing a tuple (list, dict, etc.) in Python double the backslashes? Question: In Python, when I print a string with a backslash, it prints the backslash only once: >>> print(r’C:hi’) C:hi >>> print(‘C:\hi’) C:hi But I noticed that when you print a tuple of strings with backslashes, it prints a double backslash: >>> …
Why do backslashes appear twice? Question: When I create a string containing backslashes, they get duplicated: >>> my_string = "whydoesithappen?" >>> my_string ‘why\does\it\happen?’ Why? Asked By: Zero Piraeus || Source Answers: What you are seeing is the representation of my_string created by its __repr__() method. If you print it, you can see that you’ve actually …
search and replace a windows path in a file using python Question: I have the following text in a file: C:Program FilesMyApp I want to parse my file and replace the text with : D:NewDest I use the following code, but i cant replace the text because of the backslash – any text without a …
