Problem Formulation and Solution Overview This article will show you how to get the length of a 2D Array in Python. These examples will generate a 2D array with two (2) arrays of five (5) random integers and return the array’s length to make it more interesting. 💬 Question: How would we write code to … Read more
Do you encounter the following error message? TypeError: ‘dict_values’ object is not subscriptable You’re not alone! This short tutorial will show you why this error occurs, how to fix it, and how to never make the same mistake again. So, let’s get started! Solution Python raises the “TypeError: ‘dict_values’ object is not subscriptable” if you … Read more
Do you encounter the following error message? TypeError: ‘dict_keys’ object is not subscriptable You’re not alone! This short tutorial will show you why this error occurs, how to fix it, and how to never make the same mistake again. So, let’s get started! Solution Python raises the “TypeError: ‘dict_keys’ object is not subscriptable” if you … Read more
Problem Formulation Say, you have a function create_df() that creates a DataFrame from some data that may be read from a CSV file, the web, or from another variable in the code (e.g., a nested list)—doesn’t matter. You want to return the DataFrame to the caller of the function at runtime. ⚡ However, the code … Read more
Do you need to create a function that returns a NumPy array but you don’t know how? No worries, in sixty seconds, you’ll know! Go! 🚀 A Python function can return any object such as a NumPy Array. To return an array, first create the array object within the function body, assign it to a … Read more
Question 💬 Question: Can you use lists as values of a dictionary in Python? This short article will answer your question. So, let’s get started right away with the answer: Answer You can use Python lists as dictionary values. In fact, you can use arbitrary Python objects as dictionary values and all hashable objects as … Read more
Do you need to create a function that returns a Boolean (True or False) but you don’t know how? No worries, in sixty seconds, you’ll know! Go! 🔥🔥🔥 A Python function can return any object such as a Boolean value (True or False). To return a Boolean, you can have an arbitrary simple or complex … Read more
Do you need to create a function that returns a string but you don’t know how? No worries, in sixty seconds, you’ll know! Go! 🚀 A Python function can return any object such as a string. To return a string, create the string object within the function body, assign it to a variable my_string, and … Read more
Problem Formulation and Solution Overview If you print dictionary keys using print(dict.keys()), Python returns a dict_keys object, i.e., a view of the dictionary keys. The representation prints the keys enclosed in a weird dict_keys(…) wrapper text, e.g., dict_keys([1, 2, 3]). Here’s an example: There are multiple ways to change the string representation of the keys, … Read more
Although Neural Networks do a tremendous job learning rules in tabular, structured data, it leaves a great deal to be desired in terms of ‘unstructured’ data. And there we come to a new concept: Recurrent Neural Networks. Recurrent Neural Network A Recurrent Neural Network is to a Feedforward Neural Network as a single object is … Read more
Problem Formulation and Solution Overview This article will show you how to find the minimum and maximum values in a 1D NumPy array. To make it more interesting, these examples will generate an array of ten (10) random integers using the random.randint() function from the NumPy library and return the minimum and maximum values of … Read more
Problem Formulation and Solution Overview This article will show you how to remove text within parentheses in Python. To make it more interesting, we have the following running scenario: Rivers Clothing has a CSV file containing all their employees. The format is currently first name (middle name) and last name (for example, Martin (Robert) Simpson). … Read more