Strings

How do you remove leading zeroes in Python formatted dates? I have been sending data through to a Suitescript API endpoint and have received the error that the date information I am sending through needs to be of the format D/M/YYYY, here’s the error specifically: " " " t n m y a e p m s e e s " " a : : g " " e e I " r N : r V " o A I r L n . I v S D a u _ l i F i t L d e D S _ d c V a r A t i L e p U t E v E " a r , l r u o e r " ( , m u s t b e D / M / Y Y Y Y ) " . . . Currently, the way the date is formatted and sent from my Python code is as follows: ...

How do you remove a newline character \n from a string in Python? The easiest way to remove a new line from a string in Python is by using the string method .replace(). Another way is to use the string method .strip() if the new line is at the start or end of the string. Here are some examples demonstrating how to remove the new line characters: 1 2 3 4 5 6 7 8 9 10 11 >>> s = """ ... This string has new lines ... everywhere! ... """ >>> print(s) This string has new lines everywhere! >>> s.replace('\n', '') 'This string has new lineseverywhere!' As you can see from the above output the string .replace() method takes two parameters: the first being the string to find and the second being the string to replace once found. ...

How do you create a file name with an incrementing number in Python? To create an incrementing file name in Python, run a while loop that checks the existence of a file, and if it exists, use Regex to modify the file name by replacing the integer at the end of the file with the next number. Continue looping until the file name does not exist in the destination folder. ...

How do you format time to be in 24-hours using Python? In Python you can format a datetime object to be displayed in 24-hour time using the format %H:%M. This is not to be confused with the 12-hour time which uses the format %I:%M and may have %p appended to the end to denote AM/PM. Here’s an example demonstrating the conversion of time from 12-hour format to a 24-hour format: ...

How do you format a string in the format of HH:MM AM/PM to 24-hour time in Python? To change a string in the format HH:MM AM/PM to 24-hour time in Python use the datetime.datetime.strptime(original_string, format_string) function located in the datetime library. As the datetime class needs to be imported from the datetime library you need to make sure you include the reference twice, otherwise you may get strptime AttributeError errors. Here’s an example of how this works: ...

How do you convert a string in the format of DD/MM/YY to a date in Python? To convert a string in the format of DD/MM/YY to a date in Python import the datetime library and use the datetime.datetime.strptime(date_string, format_string) function (yes, that is not a typo the datetime library has a datetime class and it contains the strptime function). To make it easier to access the strptime() function it helps to import the datetime class when the datetime library is imported, like so: from datetime import datetime. ...

How do you remove a trailing slash in a string using Python? There are two popular ways to remove a trailing slash from a string in Python. The most common approach is to use the .rstrip() string method which will remove all consecutive trailing slashes at the end of a string. If you only need to remove one trailing slash the string slice operator can be another alternative. Here’s how each approach works. ...

What are the most common string operators used in Python and why they’re essential to know? It doesn’t take long when you begin programming in Python to work with strings and to start modifying these strings by using common operators. Here I’ll look at 5 of the most common string operators I use in my own Python code and how you can use them in your own code. 1. String Concatenation One of the first questions most new Python programmers seek to perform with strings is combining two or more together. This technique is known as string concatenation. ...

What does [:-1] in Python actually do and why would you want to use it? [:-1] in Python is a slice operation used on strings or lists and captures all contents of the string or list except for the last character or element. Here are some examples demonstrating the operation of this code with strings: 1 2 3 >>> my_string = "Why?" >>> my_string[:-1] 'Why' As you can see from the simple code example above a variable my_string contains a string that ends with a question mark. By using the [:-1] slice operation it outputs the whole string except for the last character in the string. ...

What does the asterisk before a variable name mean in Python? For example, if I have a variable that contains a list of strings and the name of the variable is called my_list what does *my_list do? The asterisk is an operator in Python that is commonly known as the multiplication symbol when used between two numbers (2 * 3 will produce 6) but when it is inserted at the beginning of a variable, such as an iterable, like a list or dictionary, it expands the contents of that variable. ...