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Nizamuddin Siddiqui has Published 2307 Articles
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Nizamuddin Siddiqui
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Python is an object-oriented programming language. Almost everything in Python is an object, with its properties and methods. A Class is like an object constructor, or a "blueprint" for creating objects.The variables that are defined outside the class can be accessed by any class or any methods in the class ... Read More
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Nizamuddin Siddiqui
113 Views
Python provides many ways to create 2-dimensional lists/arrays. However, one must know the differences between these ways because they can create complications in code that can be very difficult to trace out.Example Live Demorows, cols = (5, 5) arr = [[0]*cols]*rows #lets change the first element of the 1st row to ... Read More
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Nizamuddin Siddiqui
731 Views
A list is a collection which is ordered and changeable. In Python lists are written with square brackets. You access the list items by referring to the index number. Negative indexing means beginning from the end, -1 refers to the last item. You can specify a range of indexes by specifying ... Read More
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Nizamuddin Siddiqui
262 Views
A scatter plot is a type of plot or mathematical diagram using Cartesian coordinates to display values for typically two variables for a set of data. If the points are coded, one additional variable can be displayed.Example# import xlsxwriter module import xlsxwriter # Workbook() takes one, non-optional, argument which is ... Read More
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Nizamuddin Siddiqui
156 Views
A radar chart is a graphical method of displaying multivariate data in the form of a two-dimensional chart of three or more quantitative variables represented on axes starting from the same point.Example# import xlsxwriter module import xlsxwriter # Workbook() takes one, non-optional, argument which is the filename #that we want ... Read More
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Nizamuddin Siddiqui
285 Views
A pie chart is a circular statistical graphic, which is divided into slices to illustrate numerical proportion. In a pie chart, the arc length of each slice, is proportional to the quantity it represents.Example# import xlsxwriter module import xlsxwriter # Workbook() takes one, non-optional, argument which is the filename #that ... Read More
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Nizamuddin Siddiqui
245 Views
A line chart is a graphical representation of an asset's historical price action that connects a series of data points with a continuous line. This is the most basic type of chart used in finance and typically only depicts a security's closing prices over time.Example# import xlsxwriter module import xlsxwriter # Workbook() takes one, non-optional, ... Read More
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Nizamuddin Siddiqui
154 Views
Donut Chart (also known as Doughnut chart) is a variation on a Pie chart except it has a round hole in the center which makes it look like a donut, hence the name. This empty space can be used to display additional data.Example# import xlsxwriter module import xlsxwriter # Workbook() takes one, non-optional, argument which ... Read More
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Nizamuddin Siddiqui
177 Views
XlsxWriter is a Python library using which one can perform multiple operations on excel files like creating, writing, arithmetic operations and plotting graphs.Example# import xlsxwriter module import xlsxwriter # Workbook() takes one, non-optional, argument which is the filename #that we want to create. workbook = xlsxwriter.Workbook('chart_styles.xlsx') #Show the styles for column ... Read More
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Nizamuddin Siddiqui
259 Views
lsxWriter is a Python library using which one can perform multiple operations on excel files like creating, writing, arithmetic operations and plotting graphs.Example# import xlsxwriter module import xlsxwriter # Workbook() takes one, non-optional, argument which is the filename #that we want to create. workbook = xlsxwriter.Workbook('chart_combined.xlsx') # The workbook object is ... Read More