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The first and last index of x(any number) in the list of numbers

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NOTE:The following program is written in python.


i = 0
j = 0
k = 0

list_numbers = input("Enter the list of numbers that you want to work with separated by a comma : ").split(',')
for each_elements in list_numbers:
list_numbers[i] = int(each_elements)
i += 1
i = 0
input_number = int(input("What is the the number that you want to get the first and last index of ?"))

for times_1 in list_numbers:
for times_2 in list_numbers:
if list_numbers[i] <= list_numbers[j]:
list_numbers[i], list_numbers[j] = list_numbers[j], list_numbers[i]
j += 1
j = 0
i += 1


for numbers in list_numbers:
if input_number == numbers:
first_index = k
break
k += 1

while True:
if list_numbers[k+1] == input_number:
k += 1
else:
break

print(f"The first index is {first_index} and the last index is {k}")