The keyword used to include a package or module in a Python program is:

1. export
2. include
3. collect
4. import

What will be the output of the Python code given below?

x = "BOARD EXAMINATION"
print(x[0:4:2])

1. BOAR
2. BA
3. OR
4. Error

'In a hospital, cobots assist nurses in delivering medicines to patients.'

Give any two advantages of using cobots in hospitals.

What is spur gear? Mention one application of spur gear in robotics.