Which of the following statement holds valid with Python for loop?

1. initial value is an optional
2. stop value is mandatory
3. step value is an optional
4. none

Which of the following loop does not need to check the condition before the execution begin?

1. User controlled loop
2. for
3. while loop
4. all

To find the sum of whole numbers up to 10, a loop runs:

1. once
2. ten times
3. eleven times
4. any number of times

Using …………… loop, an infinite loop can be created.

1. Fixed iterative loop
2. while
3. for
4. all