A version pragma is a great way to make it clear:
A) for which compiler version a smart contract was developed for. It helps to avoid breaking changes.
B) for which blockchain a smart contract was developed for. It helps to avoid confusion with beta-customers.
C) for which blockchain node a smart contract was developed for. It helps to avoid mixing up different versions of go-ethereum.
Correct Answer:
Verified
Q23: To Iterate through a mapping, you:
A) can
Q24: You interact with a smart contract and
Q25: To compare a String in Solidity you
Q26: Multi-Line Comments in Solidity are:
A) working with
Q27: If a User calls contract A and
Q29: Variables of the type address store:
A) a
Q30: Loops in Solidity:
A) are a great way
Q31: To store almost all data in the
Q32: View and Pure Functions:
A) can only be
Q33: View and Pure Functions:
A) a function marked
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