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Update 1068. Product Sales Analysis I.py

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LeetCode SQL 50 Solution/1068. Product Sales Analysis I
- 1068. Product Sales Analysis I.py

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	`1`	`+import pandas as pd`
	`2`	`+`
	`3`	`+# Sample Data`
	`4`	`+sales_data = {'sale_id': [1, 2, 7],`
	`5`	`+ 'product_id': [100, 100, 200],`
	`6`	`+ 'year': [2008, 2009, 2011],`
	`7`	`+ 'quantity': [10, 12, 15],`
	`8`	`+ 'price': [5000, 5000, 9000]}`
	`9`	`+`
	`10`	`+product_data = {'product_id': [100, 200, 300],`
	`11`	`+ 'product_name': ['Nokia', 'Apple', 'Samsung']}`
	`12`	`+`
	`13`	`+# Create DataFrames`
	`14`	`+sales_df = pd.DataFrame(sales_data)`
	`15`	`+product_df = pd.DataFrame(product_data)`
	`16`	`+`
	`17`	`+# Perform Join`
	`18`	`+result = sales_df.merge(product_df, on='product_id')[['product_name', 'year', 'price']]`
	`19`	`+`
	`20`	`+print(result)`

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