Virtual Labs

a: Using the `push` function Explanation

Explanation

b: By assigning a value directly to an index Explanation

Explanation

c: By calling the `addValue` library Explanation

Explanation

d: By using the `insert` function Explanation

Explanation

a: Person memory person = Person('Alice', 25); Explanation

Explanation

b: struct Person = Person('Alice', 25); Explanation

Explanation

c: Person public person = ('Alice', 25); Explanation

Explanation

d: Person public person = Person({name: 'Alice', age: 25}); Explanation

Explanation

a: It throws an error. Explanation

Explanation

b: It returns the default value of the value type. Explanation

Explanation

c: It creates the key-value pair automatically. Explanation

Explanation

d: It removes the key from the mapping. Explanation

Explanation

Advanced Smart Contract Writing Using Solidity