The program illustrates the use of a loop statement.
Loop statements are used to perform repetitive operations; examples are for-loop and while-loop.
The program in Python where comments are used to explain each line is as follows:
#This gets a positive integer input from the user
n = int(input())
#This prints the user input
print(n,end ="\t")
#The following is repeated, until n is 1
while n!=1:
#This checks if n is even
if n%2 == 0:
#n is divided by 2, if true
n=int(n/2)
#If otherwise
else:
#This calculates 3n + 1
n = int(3 * n + 1)
#This prints the value of n
print(n,end ="\t")
At the end of each iteration, the current value of n is printed
See attachment for sample run
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