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it it table tag

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ERC20 TOKEN

this type wallet create unlimited depoit withdraw with approval

through this type of keyword governament can keep record of all transaction of bank contract

by using this keyword we can intract different function inside the bank contract

inheritance is use for import data in bank contract in two way..parant and child contract,or in import file

transfer function is use to withdraw balance from bank contract

payable is use to send any currency money token to the smart contract of bank

event are use as a notification in bank contract

assert is use to check internal error of bank contract,it check the balance of sender and remaining balance

modifier onlyowner is use in bank contract as an .admin controll

bank contract is use to add withdraw and require checkpoint for notification

Struct Is collecting different data type like(uint, string,uint,mappingme) in same name with same place is called stuct.

array is use to save data but data type should be same, It work on index

mapping is use in solidity as a data store in key value pair, like (address unit)

msg.sender use in solidity as a address who deploy the function of contract,It give account address of anyone who deploy

constructor function rub one timeat deploy only use for some property like admen controll

in this function amount decrease or decrease in the address

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solidity public keyword use for external and internal intract but private can intract internal only,memory use for temorary data storage

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