Difference: REPLAndStandardPythonProgramming (4 vs. 5)

Revision 52020-05-04 - UliRaich

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Course on Internet of Things

Exercises Session 1:

Introductory remarks:

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The scripts we are going to develop during these exercises do not depend on any system issues: We do not use command line arguments not available in MicroPython nor do we use any hardware specific features which are not available on a PC. The exercises can therefore be developed and run on the ESP32 but also on any standard PC with Python3 installed.

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The scripts we are going to develop during this exercise session do not depend on any system issues: We do not use command line arguments not available in MicroPython nor do we use any hardware specific features which are not available on a PC. The exercises can therefore be developed and run on the ESP32 but also on any standard PC with Python3 installed.

Exercise 1: Use of REPL

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Connect to your ESP32 with minicom or thonny.

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Connect to your ESP32 with minicom or thonny. You may try the same thing running Python3 on your PC.

Using REPL:

print “Hello World!”

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Calculate and print out the Fibonacci numbers up to F(n). Get n from the user where n >= 0

Try your program for n=0, n=1, n=2, n=3, n=20

Ask the user up to which is the maximum number up to which you should calculate.

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Exercise 5: Some maths: Calculate the sine function

Write a script that asks the user for an angle in degrees. Calculate the sine of this angle.

Exercise 6: Classes

Write a Python class with methods calculation mathematical number series. These series should be calculated:

The Fibonacci numbers up to F(n). n is passed as parameter to the method
The Fibonacci numbers smaller than max. max is passed as parameter to the method
The prime numbers up to max
Factorial:
The geometric number series:
The harmonic number series:

Can you tell what the following series calculate?

Add these series to your class and try. Write a test script exercising the different methods.

When running on a PC you may want to plot the series as well.

Uli Raich - 2020-05-03

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