What does it mean?
I found it difficult to get around London when I first came, but I am used to it now.
I am used to getting around London by tube.
I am getting used to the climate.
Do not worry. You will get used to eating with chopsticks.

Question

Answer

'used to' means 'have become accustomed to' in the first two 
'am becoming accustomed to' in the third and
'will become accustomed to' in the fourth
accustomed to = familiarized with

Answer

Look it up in the dictionary, man.
be used to
get used to