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Updated · bytecodeman/PythonForJavaDevs@8ee55cf · GitHub

  1. bytecodeman
  2. PythonForJavaDevs

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Commit 8ee55cf

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John
authored and
John
committed
Updated
1 parent b1b5e38 commit 8ee55cf

21 files changed

Lines changed: 177 additions & 0 deletions

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‎045 Raising Exceptions/raising.py‎

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class MyException(Exception):
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pass
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try:
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raise MyException("Oh no!")
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except MyException as e:
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print(e)

‎046 Asssertions/assertions.py‎

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value = 7
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try:
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assert value > 8, "Oh no!"
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except AssertionError as a:
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print(a)

‎047 Classes/classes.py‎

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class Person:
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def eating(self):
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print("I'm eating!")
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p = Person()
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p.eating()
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print(p)

‎048 Constructors/constructors.py‎

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class Person:
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def __init__(self, name):
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self._name = name
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def eating(self):
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print(f"{self._name} is eating!")
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p = Person("Bob")
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p.eating()
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print(p)

‎049 Converting to Strings/tostring.py‎

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class Person:
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def __init__(self, name):
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self._name = name
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def eating(self):
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print(f"{self._name} is eating!")
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def __str__(self):
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return f"Hello I am {self._name}"
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p = Person("Bob")
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p.eating()
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print(p)
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text = str(p)
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print(text)

‎050 Eval and Repr/rep.py‎

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class Person:
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def __init__(self, name):
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self._name = name
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def eating(self):
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print(f"{self._name} is eating!")
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def __str__(self):
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return f"Hello I am {self._name}"
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def __repr__(self):
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return f'Person("{self._name}")'
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p = Person("Bob")
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p.eating()
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print(p)
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text = str(p)
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print(text)
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print(eval(repr(p)))
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‎051 Inheritance/inherit.py‎

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class Person:
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def __init__(self, name):
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self._name = name
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def eating(self):
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print(f"{self._name} is eating!")
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def __str__(self):
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return f"Hello I am {self._name}"
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def __repr__(self):
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return f'Person("{self._name}")'
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class Employee(Person):
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def go_on_holiday(self):
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print("I'm going on holiday!")
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p = Person("Bob")
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e = Employee("Sue")
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e.eating()
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e.go_on_holiday()
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‎052 Overriding Methods/override.py‎

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class Animal:
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def speak(self):
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print("I'm an animal")
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class Cat(Animal):
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def speak(self):
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print("Meeouw")
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cat = Cat()
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cat.speak()

‎053 Super/super.py‎

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class Machine:
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def __init__(self):
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print("Machine constructor")
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class Car(Machine):
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def __init__(self):
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super().__init__()
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print("Car constructor")
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c = Car()

‎054 Class Attributes/classattr.py‎

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class Machine:
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count = 0
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def __init__(self):
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Machine.count += 1
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Machine()
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Machine()
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print(Machine.count)

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