"""
Question 16 :
    Use a list comprehension to square each odd number in
    a list. The list is input by a sequence of comma-separated
    numbers. Suppose the following input is supplied to the program:
    1,2,3,4,5,6,7,8,9 Then, the output should be : 1,3,5,7,9.

    Hints : In case of input data being supplied to the question,
    it should be assumed to be a console input.
"""

# Solution :

values = input("Enter a num : ")
num = [x for x in values.split(",") if int(x)%2 != 0]
print(",".join(num))

"""
Output : 
    Enter a num : 1,2,3,4,5,6,7,8,9
    1,3,5,7,9
"""