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"):
print('Visa Card')
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.
Psychology, because psychology is the study of how the mind works, and therefor what causes stress.
Answer:
A sympton of a failing power supply is The computer sometimes does not turn on.
Explanation:
All right, the power supply is the terminal that receives electric current to process it and distribute it to the different parts of the hardware that compose the computer. When it fails, the current is not distributed and doesn't reach the different pieces of hardware. Therefore, option D) is the correct one. Another error that could be related is the malfunction of fans but it could be related to wires more than the power itself.
Yoooo whattt?? I don’t get this but idek
Answer: -1 usually represents infinity.
Explanation:
It would keep going forever and not be able to stop without manually stopping it.
