When you just want to keep the last n added values to a dictionary. Python

limited_length_dict.py

var = {}

count = 1

limit = 10

while True:
    data = input('enter data ')

    var.update({count:data})

    print(var)

    l = len(var)
    exceeding = l- limit

    if exceeding > 0:
        for i in var:
            del var[i]
            break

    count += 1