Leading or trailing whitespace characters present in strings may not necessarily be useful. In this tutorial, we will look at how to trim whitespace characters from strings in python. How to trim whitespaces in python strings? Python strings come with built-in functions like lstrip(), rstrip(), and strip() to trim whitespaces based on the use case. […]
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Pandas dataframes are great for working with tabular data in python. Once you’re done with cleaning/manipulating/analyzing the data, you can save it to a range of different formats. For example, as a CSV or an Excel file. You can also save your dataframe as a JSON file. In this tutorial, we will look at how
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Strings in Python are ordered sequences of characters. For example, “carpet”. Now, if you want to reverse this string, how would you do it? In this tutorial, we will look at how to reverse a string in python with the help of some examples. How to reverse a string in Python? There is no built-in
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In this tutorial we will look at how to remove a character from a string in Python. But before we proceed, a quick question – Can you remove characters from strings in Python? Not exactly. Strings are immutable in python and hence cannot be changed. You can, however, create a new string with the required
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In this tutorial, we will look at how to get the filename from a path using Python. How to get the filename from a path in Python? There are a number of ways to get the filename from its path in python. You can use the os module’s os.path.basename() function or os.path.split() function. You can
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In this tutorial, we will look at how to the get the file size using Python. Programmatically get file size There are a number of ways to get the size of a file in Python. You can use the os module’s os.stat() function to get a number of file statistics including its size. You can
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It can be very handy to know how to programmatically get a list of all files in a folder. For example, you have a folder full of text files containing useful data that you want to collate into a dataset or you just want to find out whether a given file exists in a folder
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In this tutorial, we will look at how to drop the last n rows of a pandas dataframe. How to drop the last n rows of a dataframe? There are a number of ways to remove the last n rows of a dataframe. For example, you can slice the dataframe using .iloc or you can use the
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In this tutorial, we will look at how to drop the first n rows of a pandas dataframe. How to drop the first n rows of a dataframe? There are a number of ways to remove the first n rows of a dataframe. For example, you can slice the dataframe using .iloc or you can
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In this tutorial, we will look at how to get the current working directory in Python. There are a number of ways to get the current working directory. You can use the os standard library’s getcwd() function. Or, you can use the pathlib library’s Path.cwd() class method. Let’s look at these methods with some examples.
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