Python provides you with incredibly versatile and powerful ways in which to handle files. Being a general-purpose programming language, completing I/O operations in Python is quite easy. Being able to work with files with the simple and intuitive syntax of Python makes it easy to work with files in many different ways. In this complete […]
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Conditional statements, or if-else statements, allow you to control the flow of your code. Understanding the power of if-else statements allows you to become a stronger Python programmer. This is because they allow you to execute only certain parts of your code if a condition or multiple conditions are met. In this tutorial, you’ll learn
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The Python startswith method is used to check if a string starts with a specific substring. In this tutorial, you’ll learn how to use the Python startswith function to evaluate whether a string starts with one or more substrings. Being able to check if a string starts with another string is a useful way to
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The Python endswith method is used to check if a string ends with a specific substring. In this tutorial, you’ll learn how to use the Python endswith method to evaluate whether a string ends with one or more substrings. Being able to check if a string ends with another string allows you to, for example,
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When working with files programmatically, you’ll often want to know how large a file is. This can be helpful when transferring files or copying files. Python provides a number of built-in methods of doing this, including using the os and pathlib libraries. Depending on your preference, either of these approaches works well. By the end
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The Python AttributeError is a common one that can mean different things. In this tutorial, you’ll learn how to solve the Python AttributeError: ‘dict’ object has no attribute ‘append’ error. The solution to the error can be interpreted in different ways. This tutorial will guide you through various causes of the error as well as
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JavaScript Object Notation (JSON) is one of the most common formats you’ll encounter when working with data – especially web data. Being able to convert the format into other formats, such as CSV, is an important skill. In this tutorial, you’ll learn how to convert data stored in the JSON format into the CSV format
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Being able to work with and round floating point values, or decimal values, in Python is an important skill. In this tutorial, you’ll learn how to round to decimal places in Python, including learning how to round up or down. You will also learn how to simply represent values with 2 decimal places, without changing
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Pandas is the essential data analysis library in Python. Being able to use the library to filter data in meaningful ways will make you a stronger programmer. In this tutorial, you’ll learn how to use the Pandas query function to filter a DataFrame in plain English. One of the many perks of the function is
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Python allows you to work with floating point values in standard notations and scientific notation. In this tutorial, you’ll learn how to use scientific notation to convert and suppress floating point values to and from scientific notation. Scientific notation refers to numbers being expressed in the power of 10. By the end of this tutorial,
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Working with strings is an essential skill for a Python developer of any skill level. In many cases, this means cleaning strings, such as trimming either the front or end of a string. In this tutorial, you’ll learn how to remove the first or last character from a Python string. Similarly, you’ll learn how to
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In this tutorial, you’ll learn how to fix one of the most common Python errors: SyntaxError – EOL while scanning string literal. There are three main causes for this error and this tutorial will help you resolve each of these causes. SyntaxErrors are indicative of errors with your code’s syntax. Since your code’s syntax is
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