Python Programming for Raspberry Pi, Sams Teach Yourself in 24 Hours
However, there are more insects than just ants. For example, the honey bee is also an insect. It shares the first characteristic ...
jointed_leg_pairs=3 eyes='compound' antennae_pair=1 The ant object class definition would inherit all six of these insect data a ...
13: def set_sex(self, sex): #Male, female, or unknown. 14: self.__sex = sex 15: 16: #Accessor methods for Bird data attributes 1 ...
flock_size—Indicates the number of birds seen in one sighting. (Remember that this is an overly simplified example. A real barn ...
19: #Initialize subclass data attributes 20: self.__migratory = 'yes' #Migratory bird. 21: self.__flock_size = flock_size #How m ...
12: class BarnSwallow(Bird): 13: 14: #Initialize Barn Swallow data attributes & obtain Bird inheritance. 15: def __init__(se ...
To put a subclass in its own object module file, you need to add an import Python statement to the file, as shown in Listing 15. ...
Click here to view code image 1: pi@raspberrypi ~ $ cat /home/pi/py3prog/script1501.py 2: # script1501.py - Display Bird immutab ...
set to 'unknown' and 0 , respectively, on lines 19 and 20. In Listing 15.6, the object instances themselves are declared on line ...
20: def main (): #Mainline 21: ###### Create Variables & Object Instances ### 22: # 23: flock_size='0' #Number of birds sigh ...
81: if species == '1': 82: print("Species: \t European/Barn Swallow") 83: print("Flock Size: \t", barn_swallow.get_flock_size()) ...
http://www.birdsource.org/gbbc Sighting on 2013-11-06 Species: European/Barn Swallow Flock Size: 7 Sex: unknown pi@raspberrypi ~ ...
are creating the Birds base class object file that is needed for the Python script. By the Way: Continue to Make It Easy Instead ...
Exit the nano text editor by pressing Ctrl+X. Before making the improvements, make sure all is well with your code by typing py ...
#Accessor methods for Bird Sighting data attributes def get_bird_species(self): return self.__bird_species def get_flock_size(se ...
location=input("Where did you see the birds? ") print() flock_size=int(input("Approximately, how many did you see? ")) # ###### ...
LISTING 15.10 The script1503.py Interpreted Click here to view code image pi@raspberrypi ~ $ python3 /home/pi/py3prog/script1503 ...
Python? A. An “is a” relationship exists between a subclass and its base class. For example, a barn swallow “is a” bird. A “has ...
Hour 16. Regular Expressions What You’ll Learn in This Hour: What regular expressions are Defining regular expression patterns H ...
The biggest problem with using regular expressions is that there isn’t just one set of them. Different applications use differen ...
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