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Modules
As you start to write larger programs, you will want to save the function de?nitions in multiple ?les, collected together according to what they do. So, for example, we may collect a set of utility functions together into in one file, called utility.py. This ?le is known as a module in Python.
Now, if we want to use those procedures in another shell or file, we will require to say import utility so that all those procedures become available to us and to the Python interpereter. Now, if we have a function in utility.py named foo, we may use it with the name utility.foo. You may study more about modules, and how to instance reference functions described in procedures, in the Python documentation.
Expressions and assignment We can think of most computer programs as performing some sort of transformation on data. Our code may get as input the exam scores of everyone in
Normalize a vector Let's imagine we want to normalize a vector of three variables; that is to compute a new vector of three values, such that its size is 1. Here is o
Booleans Before we talk about conditionals, we require to clarify the Boolean data type. It has two values False and True. Typical statement that have Boolean values
Internal models As we want to create more and more complex machine with software programs as controllers, we search that it is often needful to create additional types
#Why can''t I cd my Desktop? A minute ago I would open up cmd and it starts in C:\Users\myname but now it''s starting in C:\WINDOWS\system> and I don''t where I am or how to get ou
Common Errors and Messages Here are some common Python errors and error messages to look out for. Please let us give if you have any favorite additions for this list.
Variables We cannot go very far without variables. A variable is a value related to a name that we can bind to have a particular value and then later use in an expression.
draw the variation of pressure with volume of a real gas at temperatures lower than its critical temperature.also draw its surface of discontinuity
Assume you have a truck which has to travel across a desert from the base camp at position 0 (left) to the target camp at position 4 (right). The intermediate positions 1,2, and 3
how to calculate standard deviations in programming
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