# core
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### GroupedQuery
``` python
def GroupedQuery(
data, operations
):
```
*Initialize self. See help(type(self)) for accurate signature.*
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### Query
``` python
def Query(
data, operations:NoneType=None
):
```
*Initialize self. See help(type(self)) for accurate signature.*
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### read_excel
``` python
def read_excel(
path, sheet_name:NoneType=None
):
```
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### read_yaml
``` python
def read_yaml(
path, key:NoneType=None
):
```
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### read_json
``` python
def read_json(
path, key:NoneType=None, stream:bool=False
):
```
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### read_sqlite3
``` python
def read_sqlite3(
db_path, query
):
```
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### read_csv
``` python
def read_csv(
path
):
```
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### F
``` python
def F(
name
):
```
*Initialize self. See help(type(self)) for accurate signature.*
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### Condition
``` python
def Condition(
fn
):
```
*Initialize self. See help(type(self)) for accurate signature.*
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### Sort
``` python
def Sort(
key:NoneType=None, reverse:bool=False
):
```
*Initialize self. See help(type(self)) for accurate signature.*
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### Reduce
``` python
def Reduce(
fn, initial:NoneType=None
):
```
*Initialize self. See help(type(self)) for accurate signature.*
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### GroupBy
``` python
def GroupBy(
key
):
```
*Initialize self. See help(type(self)) for accurate signature.*
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### Select
``` python
def Select(
keys
):
```
*Initialize self. See help(type(self)) for accurate signature.*
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### Limit
``` python
def Limit(
n
):
```
*Initialize self. See help(type(self)) for accurate signature.*
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### Filter
``` python
def Filter(
fn
):
```
*Initialize self. See help(type(self)) for accurate signature.*
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### Map
``` python
def Map(
fn
):
```
*Initialize self. See help(type(self)) for accurate signature.*