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[PDF File]Data Structures in Python - grapenthin
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• Binding a variable in Python means setting a name to hold a reference to some object. • Assignment creates references, not copies • Names in Python do not have an intrinsic type. Objects have types. • Python determines the type of the reference automatically based on the data object assigned to it.
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[PDF File]MIT6 0001F16 Tuples, Lists, Aliasing, Mutability, Cloning
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Goal: given a list of three dimensional points in the form of tuples, create a new list consisting of the distances of each point from the origin Loop Method: - distance(x, y, z) = sqrt(x**2 + y**2 + z**2) - loop through the list and add results to a new list
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[PDF File]Built-In Functions
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‘python’, and in that folder is the file I want to read, ‘sample.txt’. Windows 1 specifies the directory path for this as: C:\AI\python\sample.txt In Chapter 1 we noted that the backslash character ‘\’ has special meaning in Python strings—namely that the next character should be interpreted in some special way.
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[PDF File]Sequences types: Lists, Tuples, and
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OPERATIONS ON LISTS - ADD add elements to end of list with L.append(element) mutates the list! L = [2,1,3] L.append(5) L is now [2,1,3,5] what is the dot? • lists are Python objects, everything in Python is an object • objects have data • objects have methods and functions • access this information by object_name.do_something()
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[PDF File]Python: A Simple Tutorial
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pg. 2 www.pythonclassroomdiary.wordpress.com by Sangeeta M Chuahan PGT CS, KV NO.3 Gwalior 1.2 User-Defined Functions (UDFs): Following are the rules to define a User Define Function in Python. Function begin with the keyword def followed by the function name and parentheses ( ) . Any list of parameter(s) or argument(s) should be placed within these parentheses.
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[PDF File]Basic Python Programming: for loops and reading files
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•More compact for than list (don’t need to store both value and type like in a list) •Reading/writing faster with NumPy •Get a lot of vector and matrix operations •Can’t do “vectorized” operations on list (like element-wise addition, multiplication) •Can also do the standard stuff, …
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How to Append to a List in Python | Techwalla
Lists Basics (Continued …) A list can contain all sorts of objects, including: integers, strings, booleans, floats, and even other lists. Python allows you to have multiple data types in the same list. example = [112, "Apple", True, 1.75, [57, False]]
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[PDF File]Python Day 3: Lists & Branching
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• Call python program via the python interpreter % python fact.py • Make a python file directly executable by • Adding the appropriate path to your python interpreter as the first line of your file #!/usr/bin/python • Making the file executable % chmod a+x fact.py • Invoking file from Unix command line % fact.py
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How to add to a list python