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Range
Very frequently, we will want to iterate through a list of integer values, often as indices. Python gives a useful function, range, which gives lists of integers. It may be used in complex types, but the basic usage is range(n), which gives a list of integers going from 0 up to, but not adding, its argument. So range(3) returns [0, 1, 2].
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
Structured assignment Once we have tuples and lists, we may use a nice trick in assignment expression, based on the packing and unpacking of tuples. >>> a, b, c = 1, 2
Write a program that asks the user to enter a number of seconds. The responses of the program will vary depending on the length of seconds: • If the number of seconds is under 60
what are the issues assciated with top-down analysis
Perimeter of a polygon Now, let's consider the problem of computing the length of the perimeter of a polygon. The input is a structure of vertices, encoded as a list of list
Synthetic models One goal of various people in a variety of sub-disciplines of electrical engineering and computer science is automatic synthesis of machine from formal
how to calculate area of a square in square metres
Structured data We will often want to work with large groups of data. Rather than providing each number its own value, we need to manage the data into natural s
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
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