What Is A Built-In Function That Python Uses To Iterate Over A Number Sequence?

Range() generates a list of numbers, which is used to iterate over for loops.

for i in range(5):
    print(i)

The range() function accompanies two sets of parameters.

  • range(stop)
    • stop: It is the no. of integers to generate and starts from zero. eg. range(3) == [0, 1, 2].
  • range([start], stop[, step])
    • Start: It is the starting no. of the sequence.
    • Stop: It specifies the upper limit of the sequence.
    • Step: It is the incrementing factor for generating the sequence.
  • Points to note:
    • Only integer arguments are allowed.
    • Parameters can be positive or negative.
    • The range() function in Python starts from the zeroth index.
Asked on January 16, 2019 in Python.
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  • 2 Answer(s)

    range is the built-in function to be used for interating the sequence of numbers.

    for iter in range (0, 10):
    print iter # prints 0 to 9

    for iter in range (0, 10, 2): # The last argument is the sequence to use. Default is 1.
    print iter # prints 0, 2, 4, 6, 8

    Answered on January 18, 2019.
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    Python range() accepts an integer and returns a range object, which is nothing but a sequence of integers. Let’s understand how to use range() function with the help of simple examples.

    • print(“range function example”)
    • print(“Printing range function result”)
    • for i in range(3):
    • print(i, end=‘, ‘)

    Output

    • range function example
    • Printing range function result
    • 0, 1, 2
    Answered on January 18, 2019.
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