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aivan3 [116]
2 years ago
14

Ideally, Internet of Things (IoT) devices have the ability to:

Computers and Technology
1 answer:
Stella [2.4K]2 years ago
8 0

Answer:

I believe the answer would be D

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Credit card numbers follow a standard system. For example, Visa, MasterCard, and Discpver Card all have 16 digits, and the first
fgiga [73]

Answer:

try:

   cardNumber = str(input('Enter your card number her: \n'))

   if (len(cardNumber) > 16 or len(cardNumber < 16)):

       raise

except:

   print ('You have entered an invalid cardNumber.')

else:

   if cardNumber.startswith("2"):

       print('American Express Card')

   elif cardNumber.startswith("4"):

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   elif cardNumber.startswith("5"):

       print('Master Card')    

   else:

       print('Unknown Card')

Explanation:

In the try block section:

The first line prompt the user for input, which is converted to string and assigned to cardNumber variable. The next line test the length of the cardNumber entered, if it is less than 16 or greater than 16; an exception is raise.

In the except section:

An error message is displayed telling the user that he/she has entered an invalid card number.

In the else section:

This is where is program check for type of card using an if...elif...else statement block. If the cardNumber start with 2; an output of "American Express card" is displayed. If the cardNumber start with 4; an output of "Visa card" is displayed. If the cardNumber start with 5; an output of "Master card" is display else "Unknown card" is displayed to the user.

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3 years ago
If you see ##### in a cell, you should
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Re-read what you've typed in that cell see if you typed it correctly.
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What is the answer to 4.9 Code Practice: Question 2
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Answer:

sum = 0

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Explanation:

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You entered the following line of code in IDLE.
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