Python Programming for Raspberry Pi, Sams Teach Yourself in 24 Hours

some tricks you can use to combine more than one condition check into a single if statement. Using Logic Operators Python allows ...

first, or it may be because the script logic says it makes more sense to check for a negative condition. You can negate the resu ...

Workshop Quiz 1. What comparison should you use to check whether the value stored in the z variable is greater than or equal to ...

Hour 7. Learning About Loops What You’ll Learn in This Hour: How to perform repetitive tasks How to use the for loop How to use ...

However, in a text editor, you need to remember to tab or space over yourself. The operation of a for loop is as follows: The va ...

FIGURE 7.1 Stepping Through a for Loop. The loop continues until the_number has been assigned to the last number in the data lis ...

interactive shell that you are ready for the loop to be interpreted and the results displayed. However, in a text editor, this e ...

As you can see, the data from the list is processed in the order in which it was placed in the data list. Python has no complain ...

<class 'int'> >>> Iterating Using Character Strings in a List Besides iterating through numbers in a data list, y ...

As you can see, the for loop construct has no problem handling this slight change. The loop evaluates the variable top_number as ...

Click here to view code image >>> for the_number in range (1,5): ... print (the_number) ... 1 2 3 4 >>> Variab ...

8 >>> You can use the range function to produce a list of numbers that goes “backward.” You accomplish this by making y ...

Click here to view code image # script0701.py - The Secret Word Validation. # Written by <your name here> # Date: <toda ...

Type python3 py3prog/script0701.py again and press Enter to run the script. This time, answer the question incorrectly, answeri ...

Click here to view code image 1: >>> the_number = 1 2: >>> while the_number <= 5: 3: ... print (the_number) ...

an empty string or null value, it causes the while loop to terminate. A data value used in this way is called a sentinel value. ...

9: 10: >>> The test statement in the while loop returns false before the loop’s statements even iterates one time. Howe ...

... print (list_of_names) ... break ... list_of_names += the_name ... Enter name: Raz Enter name: Berry Enter name: Pi Enter nam ...

Notice that no input verification code for entered member names is present. That will be added in the next section of this hour. ...

7: # Find out how many club member names need to be entered 8: names_to_enter = int(input("How many Python club member names to ...