[Tutor] retrieve data from an online database without knowing the url

Hello, I was wondering whether it was possible to write a program which could directly write some word in a box and click 'search' on a typical online database without using the url. (e.g. is there a way to write a program which would write some keyword, say 'tomato' on google and click 'google

[Tutor] open a webpage which may be unavailable

Hello, I am trying to retrieve data from several webpages. My problem is the following: after a random number of requests, the page I'm trying to open is unavailable (and I get an IOError). Note that the page may become available if I try again after some time. Since I have thousands pages