In this article, you will learn how to generate evenly spaced elements in Python. You will be creating 2 arrays of numbers in the range of 2 to 10 with different intervals. Generate Evenly Spaced Elements in Python In order to generate evenly spaced elements, you can use the numpy.arange() method. Note: The numpy.arange() method […]
In this article, you will learn how to convert a dictionary to JSON in Python. Let’s say you have a dictionary named ‘a’. Convert Dictionary to JSON in Python In order to convert a dictionary to JSON, you can use the json.dumps() method. Note: The json.dumps() method functions by converting Python objects to JSON string.
In this article, you will learn how to append list elements in Python. Let’s say you have 2 lists of food. Append List Elements in Python In order to append list elements, you can use the list.extend() keyword. Note: The list.extend() keyword functions by appending the elements of supplied iterable at the end of list.
In this article, you will learn how to set a column as an index in Python. Let’s say you have a DataFrame of food. Set Column As Index in Python In order to set a column as an index, you can use the DataFrame.set_index() method. Note: The DataFrame.set_index() method functions by setting the supplied column […]
In this article, you will learn how to create multidimensional arrays in Python. In this example, you will be creating 1-dimensional, 2-dimensional, and 3-dimensional arrays. Create Multidimensional Arrays in Python In order to create multidimensional arrays, you can use the numpy.random.randn() method. Note: The numpy.random.randn() method functions by creating an array of specified dimensions and […]
In this article, you will learn how to define a null variable in Python. Null is used to refer to a variable or object that has no value. Define Null Variable in Python In order to define a null variable, you can use the None keyword. Note: The None keyword refers to a variable or […]
In this article, you will learn how to get the first 5 rows of DataFrame in Python. Let’s say you have a DataFrame of colours. In order to get the first 5 rows of DataFrame, you can use the DataFrame.head() method. Note: The DataFrame.head() method functions by returning the first 5 rows of DataFrame by […]
In this article, you will learn how to get the content of a class in Python. Let’s say you have a class named Dog with attributes breed and origin. In order to the content of a class, you can use the dir() method. Note: The dir() method functions by returning all properties, methods, and built-in […]
In this article, you will learn how to reverse a list in python in Python. Let’s say you have a list named ‘a’ with value [1, 2, 3, 4, 5]. In order to reverse a list, you can use the list.reverse() method. Note: The list.reverse() method functions by reversing the elements in a list.
In this article, you will learn how to drop rows with missing values in Python. Let’s say you have a DataFrame of food with two columns, “Name” and “Price ($)”. One of the data in column “Price ($)” is missing and therefore labelled as pd.NaT. In the pandas module, NaT is used to represent missing […]
In this article, you will learn how to calculate the mode of a list in Python. Let’s say you have a list named ‘a’ with value [1, 2, 1, 3, 2, 2, 1, 3, 4]. In order to calculate the mode of a list, you can use the statistics.mode() method. Note: The statistics.mode() method functions […]
In this article, you will learn how to square a number in Python. Let’s say you have an integer named ‘a’ with value 22. In order to calculate the square of a number, you can use the pow() method. Note: The pow() method functions by raising the first argument to the power of the second […]
In this article, you will learn how to calculate the mean of a list in Python. Let’s say you have a list named ‘a’ with value [1, 2, 3, 4, 5]. In order to calculate the mean of a list, you can use the statistics.mean() method. Note: The statistics.mean() method functions by returning the mean […]
In this article, you will learn how to calculate the sum of a list in Python. Let’s say you have a list named ‘a’ with value [1, 2, 3, 4, 5]. In order to calculate the sum of a list, you can use the sum() method. Note: The sum() method functions by adding all items […]
In this article, you will learn how to check the data type of variables in Python. Let’s say you have 5 variables. In order to check the data type of variables, you can use the type() method. Note: The type() method functions by returning the class type of supplied argument.
