Multiplying the current value of a variable

Question

Write a statement that assigns cell_count with cell_count multiplied by 10. * performs multiplication. If the input is 10, the output should be:
100

cell_count = int(input())

''' Your solution goes here '''

print(cell_count)

I am putting cell_count * 10 and its not the correct answer, can someone help me.

Asked By: Sunnymuffins721

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Source

Answer 1

It can be

cell_count *= 10

or

cell_count = cell_count*10

Answered By: matebende

Answer 2

I think you forgot to assign value back to the variable, so you can use the output. You can try this:

cell_count = int(input())

cell_count *= 10

or this:

cell_count = int(input())

cell_count = cell_count * 10

Answered By: AhmedH2O

Answer 3

You doing cell_count * 10 is the correct calculation, but since you are not assigning it back to the variable cell_count, it remains the same as earlier and that’s why your answer is showing incorrect.

To understand, if we say a = 2 and then a+1 is 3, but a is still 2, to make a = 3, you will have to do a a = a+1.

So there are two approaches:

The simplest is

cell_count = cell_count * 10

Another more efficient way is cell_count *= 10, *= is a special character in python which multiplies and assigns to itself in one single operation.

Answered By: srishtigarg

Answer 4

for posterity:

cell_count = int(input()) <– line 1 which can not be edited

cell_count = cell_count * int(10) <— my line

print(cell_count) <—- line that can not be edited

is the answer I input and was accepted.

Answered By: jmorg38

Multiplying the current value of a variable

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