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Kavachकवच

Maps: Adding and changing

● Beginner2 min

map[key] = value adds a key or changes its value; remove(key) takes it out.

fn main() {
    let ages = ["asha": 31]
    ages["omar"] = 27
    ages["asha"] = 32
    ages.remove("omar")
    print(ages.len())
    print(ages["asha"] ?? 0)
}

The program ran and printed:

kavach run change.kav

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change.kav: Kavach code, then what running it prints