When the arguments and parameters are with same variable names, they are known as:

1. default arguments
2. keyword arguments
3. positional arguments
4. None of them

State whether the following statements are True or False:

1. A function cannot be defined without parameters.
2. The return statement without parameter indicates a non-returnable function.
3. A function can return only one value to its caller program.
4. The parameters used in the function definition are called actual parameters.
5. A function may or may not return a value to the main program.
6. A function always contains the header and the footer.

Predict the output of the following snippet:

a=42.85
b=int(a)
print(b)

Predict the output of the following snippet:

wd="Robotics"
print(len(wd))