Password Auth "syntax" i did not get it

i did not undertstand in IN[ 4] line . what is that meann

anyone give the explaination about it

Hello @aratanbgs143,
So in lN[4] basically show function is defined which takes two arguments username and password. Then it checks if the username is present as key in users dictionary and value of that key is equal to the password or not. If both condition are True then “Hello World” is printed otherwise “Not Authenticated”.

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