Commit 18815d4

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feat: add pandas solution to lc problem: No.0181 (#1865)

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`@@ -81,4 +81,16 @@ FROM`
`81`	`81`	`WHERE e1.salary > e2.salary;`
`82`	`82`	```
`83`	`83`
	`84`	+```python
	`85`	`+import pandas as pd`
	`86`	`+`
	`87`	`+`
	`88`	`+def find_employees(employee: pd.DataFrame) -> pd.DataFrame:`
	`89`	`+ df = employee.merge(right=employee, how="left", left_on="managerId", right_on="id")`
	`90`	`+ emp = df[df["salary_x"] > df["salary_y"]]["name_x"]`
	`91`	`+`
	`92`	`+ return pd.DataFrame({"Employee": emp})`
	`93`	`+`
	`94`	+```
	`95`	`+`
`84`	`96`	`<!-- tabs:end -->`

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`@@ -77,4 +77,16 @@ FROM`
`77`	`77`	`WHERE e1.salary > e2.salary;`
`78`	`78`	```
`79`	`79`
	`80`	+```python
	`81`	`+import pandas as pd`
	`82`	`+`
	`83`	`+`
	`84`	`+def find_employees(employee: pd.DataFrame) -> pd.DataFrame:`
	`85`	`+ df = employee.merge(right=employee, how="left", left_on="managerId", right_on="id")`
	`86`	`+ emp = df[df["salary_x"] > df["salary_y"]]["name_x"]`
	`87`	`+`
	`88`	`+ return pd.DataFrame({"Employee": emp})`
	`89`	`+`
	`90`	+```
	`91`	`+`
`80`	`92`	`<!-- tabs:end -->`

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`@@ -0,0 +1,8 @@`
	`1`	`+import pandas as pd`
	`2`	`+`
	`3`	`+`
	`4`	`+def find_employees(employee: pd.DataFrame) -> pd.DataFrame:`
	`5`	`+ df = employee.merge(right=employee, how="left", left_on="managerId", right_on="id")`
	`6`	`+ emp = df[df["salary_x"] > df["salary_y"]]["name_x"]`
	`7`	`+`
	`8`	`+ return pd.DataFrame({"Employee": emp})`

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