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Numpy – Check if Array Values are within a specified Range

In this tutorial, we will look at how to check if all the values in a numpy array are within a specified range with the help of some examples. How to check if array elements are within a range? You can use a combination of comparison operators, the & operator and the numpy all() function …

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How to search and replace text in a file using Python?

In this tutorial, we’ll try to understand how to search and replace all occurrences of a text in a file using Python in two different ways. Method 1 – Search and replace text in a different file In this method, We first open the input file in read mode and open a new file in …

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How to Plot Histograms by Group in Pandas

In this tutorial, we’ll try to understand how to plot histograms by group in pandas with the help of some examples. Plotting histograms using grouped data from a pandas DataFrame creates one histogram for each group in the DataFrame. For example, you group the data by values of column 1 and then show the distribution …

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How to Create a Contour Plot in Matplotlib

In this tutorial, we’ll try to understand how to create a contour plot in matplotlib. A contour plot is a type of plot that allows us to visualize three-dimensional data in two dimensions by using contours. Contours are concentric lines that represent a magnitude. To create a contour plot in matplotib you can use the …

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Numpy – Check If Array is Monotonically Decreasing

A numpy array is said to be monotonically decreasing if the subsequent values in the array are greater than or equal to the previous values. Methods to check if a numpy array is monotonically decreasing To check if a Numpy array is monotonically decreasing, you can use one of the following methods – Let’s now …

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