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Commit 2f1270e9 authored by Bodor Máté's avatar Bodor Máté
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v0.22

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......@@ -2,6 +2,7 @@
```python
import this
```
---
......@@ -162,7 +163,7 @@ Note:
+++
```bash
pip install flake8
pip install <package>
```
---
......@@ -210,6 +211,16 @@ source venv/bin/activate
- Rossz formázás
- pep8(Style Guide)
```cmd
pip install black
```
```cmd
flake8 <filename>
```
Note:
- Style Guide
......@@ -219,12 +230,27 @@ Note:
---
### Black
- Atomatikusan formázza a kódot.
```cmd
pip install black
```
```cmd
black <filename>
```
---
### Hello World
+++
```python
print("Hello World!")
```
+++
......@@ -238,11 +264,12 @@ from colorama import init
from colorama import Fore, Back, Style
init()
print(Fore.RED + 'some red text')
print(Back.GREEN + 'and with a green background')
print(Style.DIM + 'and in dim text')
print(Fore.RED + "some red text")
print(Back.GREEN + "and with a green background")
print(Style.DIM + "and in dim text")
print(Style.RESET_ALL)
print('back to normal now')
print("back to normal now")
```
---
......@@ -250,18 +277,19 @@ print('back to normal now')
### Szintaxis
```python
'''This is the start of the program '''
"""This is the start of the program """
while 1:
print ('Spam')
answer = input('Press y for large fries ')
if answer == 'y':
print ('Large fries with spam, mmmm, yummy ')
print("Spam")
answer = input("Press y for large fries ")
if answer == "y":
print("Large fries with spam, mmmm, yummy ")
continue
answer = input('Had enough yet? ')
if answer == 'y':
answer = input("Had enough yet? ")
if answer == "y":
break
print ('Have a ')
print ('nice day!') #Bye bye
print("Have a ")
print("nice day!") # Bye bye
```
Note:
......@@ -290,28 +318,27 @@ x = False
str = "string"
str2 = str * 2
str3 = str2 + "abc"
```
+++
```python
print(a ** 3)
print(b / 2)
print(d * 2)
print(x)
print(str)
print(str1)
print(str2)
print(str3)
```
Output
```python
8
1.6
4+8j
(4+8j)
False
string
stringstring
stringabc
stringstringabc
```
---
......@@ -327,13 +354,14 @@ stringabc
+++
```python
list = ['a', 'b', 'c', 1, 2, 3]
list = ["a", "b", "c", 1, 2, 3]
for a in list:
print(a)
list[4] = 22
list.append(50)
del(list[3])
del list[3]
print(list[2:])
```
Output:
......@@ -360,7 +388,7 @@ c
+++
```python
tuple = ('a', 'b', 3)
tuple = ("a", "b", 3)
item = tuple[2]
for a in tuple:
print(a)
......@@ -368,9 +396,10 @@ for a in tuple:
a, b, c = tuple
print(c)
tuple2 = (34, 56, 'd')
tuple2 = (34, 56, "d")
tuple3 = tuple + tuple2
print(tuple3)
```
Output:
......@@ -397,13 +426,14 @@ b
+++
```python
dict = {'Name': 'Zara', 'Age': 10 , 'Class': 'First'}
dict = {"Name": "Zara", "Age": 10, "Class": "First"}
dict['Age'] = 8
dict["Age"] = 8
for key, value in dict.items():
print(key, " : ", value)
del dict['Name']
print('Name' in dict)
del dict["Name"]
print("Name" in dict)
```
Output:
......@@ -434,6 +464,7 @@ set.add(2)
set.update([6, 4])
for a in set:
print(a)
```
Output:
......@@ -456,10 +487,23 @@ False
+++
```python
def fibonacci(n):
if n == 0: return 0
elif n == 1: return 1
else: return F(n-1)+F(n-2)
def fibonacci():
if n == 0:
return 0
elif n == 1:
return 1
else:
return fibonacci(n - 1) + fibonacci(n - 2)
print(fibonacci(10))
```
Output:
```python
55
```
+++
......@@ -468,14 +512,27 @@ def fibonacci(n):
```python
def fibonacci(n=10):
if n == 0: return 0
elif n == 1: return 1
else: return F(n-1)+F(n-2)
if n == 0:
return 0
elif n == 1:
return 1
else:
return fibonacci(n - 1) + fibonacci(n - 2)
print(fibonacci())
```
Output:
```python
55
```
+++
- Tetszőlegesen sok paraméter
- Tetszőlegesen sok paraméter, list
```python
def minimum(first, *args):
......@@ -485,7 +542,35 @@ def minimum(first, *args):
acc = x
return acc
print(minimum(3, 4, 2, -8, 6))
```
Output:
```python
-8
```
+++
- Tetszőlegesen sok paraméter, dictionary
```python
def bar(**kwargs):
for key, value in kwargs.items():
print(key, value)
print(bar(Kutya="vau", Cica="miaaau"))
```
Output:
```python
-8
```
+++
......@@ -498,30 +583,40 @@ def print_rectangle(w=0, h=0, x=0, y=0):
print("- size: {}×{}".format(w, h))
print("- position: ({};{})".format(x, y))
print_rectangle(20, 30, 40, 50)
print_rectangle(x=10, w=19, h=25)
```
Output:
```python
Rectangle
- size: 20×30
- position: (40;50)
Rectangle
- size: 19×25
- position: (10;0)
```
---
### Alap beépített fgv-ek
```python
dir(__builtins__)
```
+++
- input() Allowing user input
- len() Returns the length of an object
- abs() Returns the absolute value of a number
- slice() Returns a slice object
- ...
- https://www.w3schools.com/python/python_ref_functions.asp
---
......@@ -539,6 +634,7 @@ i = 1
while i < 6:
print(i)
i += 1
```
Output:
......@@ -566,6 +662,7 @@ print("-")
for x in range(1, 6, 2): # for (int i = 1; i < 6; i += 2)
print(x)
```
Output:
......@@ -595,6 +692,7 @@ elif b or x > 5:
print("World!")
else:
print("Hello World!")
```
Output:
......@@ -605,6 +703,45 @@ Hello
---
### Osztályok
+++
```python
class A:
b = "Foo"
def __init__(self):
self.a = 1
def print(self, str):
for x in range(self.a):
print(self.b, str)
class B(A):
def __init__(self, a):
self.a = a
a = A()
a.print("Fighters")
b = B(5)
b.print("Ró" "Fej")
---
Output
```python
Foo Fighters
Foo RóFej
Foo RóFej
Foo RóFej
Foo RóFej
Foo RóFej
```
### Dekorátor
+++
......@@ -621,6 +758,7 @@ def my_decorator(func):
@my_decorator
def hello():
print("Hello")
````
Output:
......@@ -630,26 +768,3 @@ Before
Hello
After
```
---
### Osztályok
+++
```python
class Employee:
'Common base class for all employees'
empCount = 0
def __init__(self, name, salary):
self.name = name
self.salary = salary
Employee.empCount += 1
def displayCount(self):
print ("Total Employee %d" % Employee.empCount)
def displayEmployee(self):
print ("Name : ", self.name, ", Salary: ", self.salary)
```
\ No newline at end of file
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