Sheffield | 25-SDC-Nov | Sheida Shabankari | Sprint 5 |Sprint5 prep exercises in python

.gitignore

@@ -1 +1,3 @@
 node_modules
+/.venv
+implement-cowsay/.venv/

.vscode/settings.json

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+{
+  "python.analysis.typeCheckingMode": "basic",
+  "python.analysis.autoImportCompletions": true
+}

sprint5-prep/prep2-exercise.py

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+def open_account(balances: dict[str,int], name : str, amount:int):
+    balances[name] = amount
+
+def sum_balances(accounts):
+    total = 0
+    for name, pence in accounts.items():
+        print(f"{name} had balance {pence}")
+        total += pence
+    return total
+
+def format_pence_as_string(total_pence):
+    if total_pence < 100:
+        return f"{total_pence}p"
+    pounds = int(total_pence / 100)
+    pence = total_pence % 100
+    return f"£{pounds}.{pence:02d}"
+
+balances = {
+    "Sima": 700,
+    "Linn": 545,
+    "Georg": 831,
+}
+
+open_account(balances,"Tobi", 913)
+open_account(balances,"Olya", 713)
+
+total_pence = sum_balances(balances)
+total_string = format_pence_as_string(total_pence)
+
+print(f"The bank accounts total {total_string}")

sprint5-prep/prep3-exercise.py

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+class Person:
+    def __init__(self, name: str, age: int, preferred_operating_system: str):
+        self.name = name
+        self.age = age
+        self.preferred_operating_system = preferred_operating_system
+
+imran = Person("Imran", 22, "Ubuntu")
+print(imran.name)
+
+
+eliza = Person("Eliza", 34, "Arch Linux")
+print(eliza.name)
+
+def is_adult(person: Person) -> bool:
+    return person.age >= 18
+
+print(is_adult(imran))
+
+def is_from_UK(person:Person) -> bool :
+    return person.country=="UK"
+print(is_from_UK(eliza))

sprint5-prep/prep4-exercise.py

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+import datetime
+class Person:
+    def __init__(self, name: str, date_of_birth : datetime.date, preferred_operating_system: str):
+        self.name = name
+        self.date_of_birth =date_of_birth 
+        self.preferred_operating_system = preferred_operating_system
+    def is_adult(self):
+        today=datetime.date.today()
+        age=today.year-self.date_of_birth.year
+        print(age)
+        return age >= 18
+
+imran = Person("Imran",  datetime.date(1998,4,3), "Ubuntu")
+print(imran.is_adult())
+eliza = Person("Eliza",datetime.date(2013,3,17), "Arch Linux")
+print(eliza.is_adult())

sprint5-prep/prep5-exercise.py

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+from dataclasses import dataclass
+import datetime
+@dataclass(frozen=True)
+class Person:
+    name: str
+    date_of_birth: datetime.date
+    preferred_operating_system: str
+    def is_adult(self) -> bool :
+      today=datetime.date.today()
+      age=today.year-self.date_of_birth.year
+      if(today.month,today.day)<(self.date_of_birth.month,self.date_of_birth.day) :
+         age -=1
+      return age>=18
+imran = Person("Imran", datetime.date(2007,12,16), "Ubuntu")  
+print(imran) 
+print(imran.is_adult())
+

sprint5-prep/prep6-exercise.py

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+from dataclasses import dataclass
+from typing import List
+
+@dataclass(frozen=True)
+class Person:
+    name: str
+    age :int
+    children: List["Person"]
+fatma = Person(name="Fatma",age=8, children=[])
+aisha = Person(name="Aisha",age=12, children=[])
+
+imran = Person(name="Imran",age=40, children=[fatma, aisha])
+
+def print_family_tree(person: Person) -> None:
+    print(person.name)
+    for child in person.children:
+        print(f"- {child.name} ({child.age})")
+
+print_family_tree(imran)

sprint5-prep/prep7-exercise.py

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+from dataclasses import dataclass
+from typing import List
+
+@dataclass(frozen=True)
+class Person:
+    name: str
+    age: int
+    preferred_operating_systems: List[str]
+
+
+@dataclass(frozen=True)
+class Laptop:
+    id: int
+    manufacturer: str
+    model: str
+    screen_size_in_inches: float
+    operating_system: str
+
+
+def find_possible_laptops(laptops: List[Laptop], person: Person) -> List[Laptop]:
+    possible_laptops = []
+    for laptop in laptops:
+        if laptop.operating_system in person.preferred_operating_systems:
+            possible_laptops.append(laptop)
+    return possible_laptops
+
+
+people = [
+    Person(name="Imran", age=22, preferred_operating_systems=["Ubuntu"]),
+    Person(name="Eliza", age=34, preferred_operating_systems=["Arch Linux"]),
+]
+
+laptops = [
+    Laptop(id=1, manufacturer="Dell", model="XPS", screen_size_in_inches=13, operating_system="Arch Linux"),
+    Laptop(id=2, manufacturer="Dell", model="XPS", screen_size_in_inches=15, operating_system="Ubuntu"),
+    Laptop(id=3, manufacturer="Dell", model="XPS", screen_size_in_inches=15, operating_system="ubuntu"),
+    Laptop(id=4, manufacturer="Apple", model="macBook", screen_size_in_inches=13, operating_system="macOS"),
+]
+
+for person in people:
+    possible_laptops = find_possible_laptops(laptops, person)
+    print(f"Possible laptops for {person.name}: {possible_laptops}")

sprint5-prep/prep8-exercise.py

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+from dataclasses import dataclass
+from enum import Enum
+from typing import List
+import sys
+from collections import Counter
+
+class OperatingSystem(Enum):
+    MACOS = "macOS"
+    ARCH = "Arch Linux"
+    UBUNTU = "Ubuntu"
+
+@dataclass(frozen=True)
+class Person:
+    name: str
+    age: int
+    preferred_operating_system: OperatingSystem
+
+
+@dataclass(frozen=True)
+class Laptop:
+    id: int
+    manufacturer: str
+    model: str
+    screen_size_in_inches: float
+    operating_system: OperatingSystem
+
+name=input("Insert your name :") 
+if len(name)==0 :
+    print("Name cannot be empty!", file=sys.stderr)
+    exit(1)
+elif len(name)>50 :
+    print("Name is too long!", file=sys.stderr)    
+    exit(1)
+try :
+    age=int(input("Insert your age :"))
+    if age<18 or age>100 :
+        raise ValueError("Age out of range")
+except ValueError as e :
+    print(f"Invalid age: {e}", file=sys.stderr)
+    sys.exit(1)
+preferred_os=input("Insert your preferred_operating_system(macOS,Arch Linux,Ubuntu) :")
+try :
+    preferred_operating_system=OperatingSystem(preferred_os)
+except ValueError:
+    print("error in os name",file=sys.stderr)
+    sys.exit(1)
+
+person=Person(name,age,preferred_operating_system)
+
+def find_possible_laptops(laptops: List[Laptop], person: Person) -> List[Laptop]:
+    possible_laptops = []
+    for laptop in laptops:
+        if laptop.operating_system == person.preferred_operating_system:
+            possible_laptops.append(laptop)
+    return possible_laptops
+
+
+laptops = [
+    Laptop(id=1, manufacturer="Dell", model="XPS", screen_size_in_inches=13, operating_system=OperatingSystem.ARCH),
+    Laptop(id=2, manufacturer="Dell", model="XPS", screen_size_in_inches=15, operating_system=OperatingSystem.UBUNTU),
+    Laptop(id=3, manufacturer="Dell", model="XPS", screen_size_in_inches=15, operating_system=OperatingSystem.UBUNTU),
+    Laptop(id=4, manufacturer="Apple", model="macBook", screen_size_in_inches=13, operating_system=OperatingSystem.MACOS),
+    Laptop(id=5, manufacturer="Dell", model="XPS", screen_size_in_inches=13, operating_system=OperatingSystem.ARCH),
+]
+
+os_count=Counter(laptop.operating_system for laptop in laptops)
+max_count=max(os_count.values())
+print(max_count)
+most_available_os=[]
+for os in os_count :
+    count=os_count[os]
+    if count==max_count :
+       most_available_os.append(os.value)
+print(most_available_os)
+possible_laptops = find_possible_laptops(laptops, person)
+print(f"Count of available  {person.preferred_operating_system.value} laptops for {person.name} is : {len(possible_laptops)}")
+
+if len(possible_laptops)<max_count :
+    print(f"Note: If you are willing to accept : {" or ".join(most_available_os)}, you are more likely to get a laptop.")

sprint5-prep/prep9-exercise.py

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+class Parent:
+    def __init__(self, first_name: str, last_name: str):
+        self.first_name = first_name
+        self.last_name = last_name
+
+    def get_name(self) -> str:
+        return f"{self.first_name} {self.last_name}"
+
+
+class Child(Parent):
+    def __init__(self, first_name: str, last_name: str):
+        super().__init__(first_name, last_name)
+        self.previous_last_names = []
+
+    def change_last_name(self, last_name) -> None:
+        self.previous_last_names.append(self.last_name)
+        self.last_name = last_name
+
+    def get_full_name(self) -> str:
+        suffix = ""
+        if len(self.previous_last_names) > 0:
+            suffix = f" (née {self.previous_last_names[0]})"
+        return f"{self.first_name} {self.last_name}{suffix}"
+
+person1 = Child("Elizaveta", "Alekseeva")
+print(person1.get_name())
+print(person1.get_full_name())
+person1.change_last_name("Tyurina")
+print(person1.get_name())
+print(person1.get_full_name())
+
+person2 = Parent("Elizaveta", "Alekseeva")
+print(person2.get_name())
+# print(person2.get_full_name())
+# person2.change_last_name("Tyurina")
+print(person2.get_name())
+# print(person2.get_full_name())