📝 Add Python type hints tutorial

docs/tutorial/src/python-types/tutorial003.py

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+def get_name_with_age(name: str, age: int):
+    name_with_age = name + " is this old: " + age
+    return name_with_age

docs/tutorial/src/python-types/tutorial004.py

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+def get_name_with_age(name: str, age: int):
+    name_with_age = name + " is this old: " + str(age)
+    return name_with_age

docs/tutorial/src/python-types/tutorial005.py

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+def get_items(item_a: str, item_b: int, item_c: float, item_d: bool, item_e: bytes):
+    return item_a, item_b, item_c, item_d, item_d, item_e

docs/tutorial/src/python-types/tutorial006.py

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+from typing import List
+
+
+def process_items(items: List[str]):
+    for item in items:
+        print(item)

docs/tutorial/src/python-types/tutorial007.py

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+from typing import Tuple, Set
+
+
+def process_items(items_t: Tuple[int], items_s: Set[bytes]):
+    return items_t, items_s

docs/tutorial/src/python-types/tutorial008.py

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+from typing import Dict
+
+
+def process_items(prices: Dict[str, float]):
+    for item_name, item_price in prices.items():
+        print(item_name)
+        print(item_price)

docs/tutorial/src/python-types/tutorial009.py

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+class Person:
+    def __init__(self, name: str):
+        self.name = name
+
+
+def get_person_name(one_person: Person):
+        return one_person.name

docs/tutorial/src/python-types/tutorial010.py

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+from datetime import datetime
+from typing import List
+from pydantic import BaseModel
+
+class User(BaseModel):
+    id: int
+    name = 'John Doe'
+    signup_ts: datetime = None
+    friends: List[int] = []
+
+external_data = {'id': '123', 'signup_ts': '2017-06-01 12:22', 'friends': [1, '2', b'3']}
+user = User(**external_data)
+print(user)
+# > User id=123 name='John Doe' signup_ts=datetime.datetime(2017, 6, 1, 12, 22) friends=[1, 2, 3]
+print(user.id)
+# > 123

docs/tutorial/src/sql-databases/tutorial001.py

@@ -1,5 +1,4 @@
 from fastapi import FastAPI
-
 from sqlalchemy import Boolean, Column, Integer, String, create_engine
 from sqlalchemy.ext.declarative import declarative_base, declared_attr
 from sqlalchemy.orm import scoped_session, sessionmaker