Use the isspace() method to check if the characters in a string are all white spaces. text = ' ' print(text.isspace()) #output: True text = ' \f\n\r\t\v' print(text.isspace()) #output: True text = ' ' print(text.isspace()) #output: True text = ''…
Use the isidentifier() method to check a valid identifier. A valid identifier has only letters, digits, and underscores. text = 'file1' print(text.isidentifier()) #output: True text = '1file' print(text.isidentifier()) #output: False text = 'file1_final' print(text.isidentifier()) #output: True text = 'file1 final'…
Use the isprintable() method to check if the characters in a string are printable. text = '' # notice this is an empty string, there is no white space here print(text.isprintable()) #output: True text = 'This is a regular text'…
Use the isalnum() method to check if a string only contains alphanumeric characters. word = 'beach' print(word.isalnum()) #output: True word = '32' print(word.isalnum()) #output: True word = 'number32' #notice there is no space print(word.isalnum()) #output: True word = 'Favorite number…
Use the ljust() to left-justify a string. word = 'beach' number_spaces = 32 word_justified = word.ljust(number_spaces) print(word) #'beach' print(word_justified) #'beach ' Notice the spaces in the second string. The word ‘beach’ has 5 characters, which gives us 27 spaces to…
Use the rjust() to right-justify a string. word = 'beach' number_spaces = 32 word_justified = word.rjust(number_spaces) print(word) #'beach' print(word_justified) #' beach' Notice the spaces in the second string. The word ‘beach’ has 5 characters, which gives us 27 spaces to…
This article covers operations you can do with a file regarding the Operating System: rename and move a file, check if a file exists, delete a file, make a copy of a file. This a direct extension of a previous…
The most common measure used to tell the level of seniority of a developer is years of experience. I couldn’t disagree more. If you are working on the same project, with the same technologies for the last 6 years, chances…
The learning process is something that intrigues me for a long time now. Are we learning properly? Does it have to take so long to learn a new skill from the ground up? The inspiration for this post came from…
Loops are used when you need to repeat a block of code a certain number of times or apply the same logic over each item in a collection. There are two types of loops: for and while. In this article,…