How do I search and replace text in a file using Python 3? Here is my code: Input file: When I search and replace ‘ram’ by ‘abcd’ in above input file, it works as a charm. But when I do it vice-versa i.e. replacing ‘abcd’ by ‘ram’, some junk characters are left …
Tag: string
Python: How to not print comma in last element in a for loop?
My code iterates over a set and print actor’s names: The result looks like: But I want it to detect the last element so that it won’t print the last comma. The result should be instead: How can I do that? Answer
Alphabet range in Python
How do I create a list of alphabet characters, without doing it manually like this? Answer Alternatively, using range: Or equivalently: Other helpful string module features:
How to include the symbol “{” in a Python format string?
How can I include { symbol in a string? My string I’m getting the error: I have escaped the { symbol and have tried without escaping too. I’m getting the same error in both cases. Answer Format strings contain “replacement fields” surrounded by curly braces {}. Anything that is not contained in br…
How can I check if character in a string is a letter? (Python)
I know about islower and isupper, but can you check whether or not that character is a letter? For Example: Is there any way to just ask if it is a character besides doing .islower() or .isupper()? Answer You can use str.isalpha(). For example: Output:
How can I remove the ANSI escape sequences from a string in python
Here is a snippet that includes my string. The string was returned from an SSH command that I executed. I can’t use the string in its current state because it contains ANSI standardized escape sequences. How can I programmatically remove the escape sequences so that the only part of the string remaining…
write() versus writelines() and concatenated strings
So I’m learning Python. I am going through the lessons and ran into a problem where I had to condense a great many target.write() into a single write(), while having a “n” between each user input variable(the object of write()). I came up with: If I try to do: I get an error. But if I type: …
Python spacing and aligning strings
I am trying to add spacing to align text in between two strings vars without using ” ” to do so Trying to get the text to look like this, with the second column being aligned. Currently have it coded like this, just using spaces… I tried working with string.rjust & srting.ljust but to no…
How can I check if a string contains ANY letters from the alphabet?
What is best pure Python implementation to check if a string contains ANY letters from the alphabet? Where string_1 would return False for having no letters of the alphabet in it and string_2 would return True for having letter. Answer Regex should be a fast approach:
Convert ASCII chars to Unicode FULLWIDTH latin letters in Python?
Can you easily convert between ASCII characters and their Asian full-width Unicode wide characters? Like: to Answer Those “wide” characters are named FULLWIDTH LATIN LETTER: http://www.unicodemap.org/range/87/Halfwidth%20and%20Fullwidth%20Forms/ They have range 0xFF00 – -0xFFEF. You can make…