Correct the sweep order example in the docstring of class Product in cirq-core/cirq/study/sweeps.py

[ikd-sci]

The following code can be used to confirm the order of loops:

sweep = cirq.Product(cirq.Points('a', [0, 1 ,2]), cirq.Points('b', [2, 3]))
list(sweep)

Outputs:

[cirq.ParamResolver({'a': 0, 'b': 2}),
 cirq.ParamResolver({'a': 0, 'b': 3}),
 cirq.ParamResolver({'a': 1, 'b': 2}),
 cirq.ParamResolver({'a': 1, 'b': 3}),
 cirq.ParamResolver({'a': 2, 'b': 2}),
 cirq.ParamResolver({'a': 2, 'b': 3})]

Leftmost sweep is the outer loop in a product of sweeps.

[pavoljuhas]

Thanks for fixing that!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.15%. Comparing base (e60e686) to head (7a4fc3a).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7104   +/-   ##
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  Coverage   98.15%   98.15%           
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  Files        1089     1089           
  Lines       95251    95251           
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  Hits        93496    93496           
  Misses       1755     1755           

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