$6\mathrm{.}9($Dictionary Manipulations$)$ Using the following dictionary, which maps country names to Internet top$-$level domains $($TLDs$)$:

tlds $=\{\text{'}$Canada$\text{'}$: $\text{'}$ca$\text{'},$ 'United States': $\text{'}$us$\text{'},$ 'Mexico': $\text{'}$mx$\text{'}\}$

perform the following tasks and display the results:

Check whether the dictionary contains the key 'Canada'.

Check whether the dictionary contains the key 'France'.

Iterate through the key$$value pairs and display them in two$-$column format.