Define and test a function myRange. This function should behave like Python’s standard range function, with the required and optional arguments, but should return a list.Do not use the range function in your implementation!

Hints:

Study Python’s help on range to determine the names, positions, and what to do with your function’s parameters.
Use a default value of None for the two optional parameters. If these parameters both equal None, then the function has been called with just the stop value. If just the third parameter equals None, then the function has been called with a start value as well. Thus, the first part of the function’s code establishes what the values of the parameters are or should be. The rest of the code uses those values to build a list by counting up or down.

The python program will be:

def myRange(start, stop = None, step = None):  

  if(step == None and stop == None):

        stop = start

        start = 0

        step = 1

    elif(step == None):

        step = 1

    result = []     if (step < 0):

        while stop < start:

            result.append(start)

            start += step     else:

        while start < stop:

            result.append(start)

            start += step     return result   def main():

    print([x for x in myRange(10)])

    print([x for x in myRange(1,10)])

    print([x for x in myRange(1, 10,2)])

    print([x for x in myRange(10, 1, -1)])

 main()

What do you mean by python?

Python is a high-level and general-purpose programming language. Its design idea prioritises code readability through the use of extensive indentation. It is compatible with a variety of programming paradigms, including structured, object-oriented, and functional programming. Because of its extensive standard library, it is frequently referred to as a "batteries included" language. Guido van Rossum began developing Python as a replacement to the ABC programming language in the late 1980s, and it was originally released in 1991 as Python 0.9.0. Python 2.0, which was launched in 2000, added new features including such list comprehensions, cycle-detecting garbage collection, reference counting.

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Answer:

Study Python’s help on range to determine the names, positions, and what to do with your function’s parameters.

Use a default value of None for the two optional parameters. If these parameters both equal None, then the function has been called with just the stop value. If just the third parameter equals None, then the function has been called with a start value as well. Thus, the first part of the function’s code establishes what the values of the parameters are or should be. The rest of the code uses those values to build a list by counting up or down.