i have store 90 user and pass for wifi in file : wifi.txt
with format
user : abc pass : 1qw
user : adc pass : 1ww
user : abd pass : 12w
etc
i want to print at ticket bill user and pass.
any idea to make iterator for each line when print.
i have idea to store use ticket tag,
but how to make automate iterate / change each sub tags when print it.