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## CodeLab Solution 51260

**CodeLab Solution 51265**

Create a dictionary that maps the first n counting numbers to their squares. Associate the dictionary with the variable squares.
[cc lang="PYTHON"] squares=dict((n,n**2) for n in range(1,n+1)) [/cc]

...## CodeLab Solution 51831

**CodeLab Solution 51831**

Given a variable , polygon_sides, that is associated with a dictionary that maps names of polygons to number of sides, create a new dictionary that maps number of sides to polygon names, and associate it with a variable n_polygons.

[cc...

## CodeLab Solution 51302

**CodeLab Solution 51302**

Given a dictionary d and a list lst, remove all elements from the dictionary whose key is an element of lst. For example, given the dictionary {1:2, 3:4, 5:6, 7:8} and the list [1, 7], the resulting dictionary would be {3:4, 5:6}. Assume every element of...

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