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numbers = [1,2,3,4,5,6]
numbers_times_2 = [x*2 for x in numbers]

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numbers_times_2 = []
    for x in numbers:
        numbers_times_2.append(x*2)

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weekday_temperatures = [
{'day': 'Monday',    'date': '2019-07-15', 'temperature': 31},
{'day': 'Tuesday',   'date': '2019-07-16', 'temperature': 33},
{'day': 'Wednesday', 'date': '2019-07-17', 'temperature': 27},
{'day': 'Thursday',  'date': '2019-07-18', 'temperature': 25},
{'day': 'Friday',    'date': '2019-07-19', 'temperature': 30},
{'day': 'Saturday',  'date': '2019-07-20', 'temperature': 31},
{'day': 'Sunday',    'date': '2019-07-21', 'temperature': 29},
{'day': 'Monday',    'date': '2019-07-22', 'temperature': 25},
{'day': 'Tuesday',   'date': '2019-07-23', 'temperature': 31},
{'day': 'Wednesday', 'date': '2019-07-24', 'temperature': 26},
{'day': 'Thursday',  'date': '2019-07-25', 'temperature': 23},
{'day': 'Friday',    'date': '2019-07-26', 'temperature': 22},
{'day': 'Saturday',  'date': '2019-07-27', 'temperature': 23},
{'day': 'Sunday',    'date': '2019-07-28', 'temperature': 32}
]
hot_work_days = [(hot_day['date'], hot_day['temperature']) for hot_day in[workday for workday in weekday_temperatures if workday['day'] not in ['Saturday', 'Sunday']] if hot_day['temperature'] >= 30]

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hot_work_days = [
    (hot_day['date'], hot_day['temperature'])
    for hot_day in [
        workday for workday in weekday_temperatures
        if workday['day'] not in ['Saturday', 'Sunday']
    ]
    if hot_day['temperature'] >= 30
]

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workday_temperatures = [
    entry for entry in weekday_temperatures
    if entry['day'] not in ['Saturday', 'Sunday']
]

hot_work_day_temperatures = [
    (entry['date'], entry['temperature'])
    for entry in workday_temperatures
    if entry['temperature'] >= 30
]

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hot_work_day_temperatures = [
    (entry['date'], entry['temperature'])
    for entry in weekday_temperatures
    if entry['day'] not in ['Saturday', 'Sunday'] and entry['temperature'] >= 30
]

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hot_work_days1 = [
    (hot_day["date"], hot_day["temperature"])
    for hot_day in [workday for workday in weekday_temperatures if workday["day"] not in ["Saturday", "Sunday"]]
    if hot_day["temperature"] >= 30
]

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workdays = [workday for workday in weekday_temperatures if workday["day"] not in ["Saturday", "Sunday"]
hot_work_days = [(hot_day["date"], hot_day["temperature"]) for hot_day in workdays]

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hot_work_days2 = [
    (hot_day["date"], hot_day["temperature"])
    for hot_day in weekday_temperatures
    if hot_day["day"] not in ["Saturday", "Sunday"] and hot_day["temperature"] >= 30
]

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hot_work_days = []
for day in weekday_temperatures:
    if day["day"] not in ["Saturday", "Sunday"] and day["temperature"] >= 30:
            hot_work_days.append((day["date"], day["temperature"]))

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first_day = weekday_temperatures[0]

# iterieren über die keys
for key in first_day:
    print(key)

"""
day
date
temperature
"""

# iterieren über die values
for value in first_day.values():
    print(value)

"""
Monday
2019-07-15
31
"""

# iterieren über beides
for key, value in first_day.items():
    print(f"{key:15}: {value}")

"""
day            : Monday
date           : 2019-07-15
temperature    : 31
"""

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    def __str__(self):
        return "\n".join(
            "".join("#" if cell else "." for cell in row) for row in self.rows
        )

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#!/usr/bin/env python3
from datetime import datetime as DateTime
from pprint import pprint

from attr import attrib, attrs

DAYNAMES = [
    "Monday",
    "Tuesday",
    "Wednesday",
    "Thursday",
    "Friday",
    "Saturday",
    "Sunday",
]


@attrs(frozen=True)
class DayTemperature:
    date = attrib()
    temperature = attrib()

    @property
    def day_name(self):
        return DAYNAMES[self.date.isoweekday() - 1]

    def is_work_day(self):
        return self.date.isoweekday() < 6

    @classmethod
    def from_mapping(cls, mapping):
        result = cls(
            DateTime.strptime(mapping["date"], "%Y-%m-%d").date(),
            mapping["temperature"],
        )
        if result.day_name != mapping["day"]:
            raise ValueError(
                f"date is a {result.day_name},"
                f" mapping says it is a {mapping['day']}"
            )
        return result


def main():
    days = list(
        map(
            DayTemperature.from_mapping,
            [
                {"day": "Monday", "date": "2019-07-15", "temperature": 31},
                {"day": "Tuesday", "date": "2019-07-16", "temperature": 33},
                {"day": "Wednesday", "date": "2019-07-17", "temperature": 27},
                {"day": "Thursday", "date": "2019-07-18", "temperature": 25},
                {"day": "Friday", "date": "2019-07-19", "temperature": 30},
                {"day": "Saturday", "date": "2019-07-20", "temperature": 31},
                {"day": "Sunday", "date": "2019-07-21", "temperature": 29},
                {"day": "Monday", "date": "2019-07-22", "temperature": 25},
                {"day": "Tuesday", "date": "2019-07-23", "temperature": 31},
                {"day": "Wednesday", "date": "2019-07-24", "temperature": 26},
                {"day": "Thursday", "date": "2019-07-25", "temperature": 23},
                {"day": "Friday", "date": "2019-07-26", "temperature": 22},
                {"day": "Saturday", "date": "2019-07-27", "temperature": 23},
                {"day": "Sunday", "date": "2019-07-28", "temperature": 32},
            ],
        )
    )

    hot_work_days = [
        day for day in days if day.is_work_day() and day.temperature >= 30
    ]

    pprint(hot_work_days)


if __name__ == "__main__":
    main()

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class Employee: 
  
    
    def __init__(self, name, age): 
        self.name = name 
        self.age = age 
  
    
    def emp_data(self): 
        print('Name of Employee : ', self.name) 
        print('Age of Employee : ', self.age) 
  
  
class Data: 
    def __init__(self, address, salary, emp_obj): 
        self.address = address 
        self.salary = salary 
  
        
        self.emp_obj = emp_obj 
  
    
    def display(self): 
  
        
        
        self.emp_obj.emp_data() 
        print('Address of Employee : ', self.address) 
        print('Salary of Employee : ', self.salary) 
  

emp = Employee('Ronil', 20) 
  
data = Data('Indore', 25000, emp) 
  
data.display()

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class WindowsMyDocuments:
    def save(self,document):
        destination = Path.home() / "Documents" / "scan.txt"
        print("Saving to: ", destination)
        destination.write_text(document)
        
        
class LinuxHomeDir:
    def save(self,document):
        destination = Path.home() / "scan.txt"
        print("Saving to: ", destination)
        destination.write_text(document)
        

class Fileprinter:
    def __init__(self, windows, linux):
        self._windows = windows
        self._linux = linux
    
    def print(self, document):
        destination =(
            self._linux
            if platform.system() = "linux"
            else self._windows
        )
        destination.save(document)
        
        
print_to_file = Fileprinter(
    windows = WindowsMyDocumemts(), 
    linux = LinuxHomeDir()
)

print_to_file.print(file1)

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class Person:
    def __init__(self, name, age):
        self.name = name
        self.age = age

    def display(self):
        print("Name of Person:", self.name)
        print("Age of Person:", self.age)


class EmploymentContract:
    def __init__(self, employee, address, salary):
        self.employee = employee
        self.address = address
        self.salary = salary

    def display(self):
        self.employee.display()
        print("Address of Employee:", self.address)
        print("Salary of Employee:", self.salary)


person = Person("Ronil", 20)
contract = EmploymentContract("Indore", 25_000, person)
contract.display()

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def _windows_save(document):
    destination = Path.home() / "Documents" / "scan.txt"
    print("Saving to: ", destination)
    destination.write_text(document, encoding="utf-8")


def _linux_save(document):
    destination = Path.home() / "scan.txt"
    print("Saving to: ", destination)
    destination.write_text(document, encoding="utf-8")

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def _windows_save(document):
    destination = Path.home() / "Documents" / "scan.txt"
    print("Saving to: ", destination)
    destination.write_text(document, encoding="utf-8")


def _linux_save(document):
    destination = Path.home() / "scan.txt"
    print("Saving to: ", destination)
    destination.write_text(document, encoding="utf-8")


save = _linux_save if platform.system() == "linux" else _windows_save

save("Example text.")