Discover a world of knowledge at Westonci.ca, where experts and enthusiasts come together to answer your questions. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.
Sagot :
Answer:
In Python:
entry = input("Sentence: ")
while True:
if entry.count(",") == 0:
print("Error: No comma in string")
entry = input("Sentence: ")
elif entry.count(",") > 1:
print("Error: Too many comma in input")
entry = input("Sentence: ")
else:
ind = entry.index(',')+1
if entry[ind].isnumeric() == False:
print("Comma not followed by an integer")
entry = input("Sentence: ")
else:
break
print("Valid Input")
Explanation:
This prompts the user for a sentence
entry = input("Sentence: ")
The following loop is repeated until the user enters a valid entry
while True:
This is executed if the number of commas is 0
if entry.count(",") == 0:
print("Error: No comma in string")
entry = input("Sentence: ")
This is executed if the number of commas is more than 1
elif entry.count(",") > 1:
print("Error: Too many comma in input")
entry = input("Sentence: ")
This is executed if the number of commas is 1
else:
This calculates the next index after the comma
ind = entry.index(',')+1
This checks if the character after the comma is a number
if entry[ind].isnumeric() == False:
If it is not a number, the print statement is executed
print("Comma not followed by an integer")
entry = input("Sentence: ")
If otherwise, the loop is exited
else:
break
This prints valid input, when the user enters a valid string
print("Valid Input")
Note that: entry = input("Sentence: ") is used to get input
Thanks for stopping by. We strive to provide the best answers for all your questions. See you again soon. Thank you for your visit. We're dedicated to helping you find the information you need, whenever you need it. Your questions are important to us at Westonci.ca. Visit again for expert answers and reliable information.