#03-Python

Roadmap/00 - SINTAXIS, VARIABLES, TIPOS DE DATOS Y HOLA MUNDO/python/Dark.py

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+# https://www.python.org/
+
+"""python
+#This is the first line
+#
+#
+#
+#
+#and end line
+"""
+
+# Variables
+a = 8
+
+# No es constante, pero cuando se usan mayúsculas, se sabe que no se debe modificar
+# PATH = /ruta/al/archivo
+
+# Tipos de datos
+entero = 3
+flotante = 5.6
+booleano = True
+texto = "Hola python"
+
+print(texto)

Roadmap/01 - OPERADORES Y ESTRUCTURAS DE CONTROL/python/Dark.py

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+print("ARITHMETIC OPERATORS:")
+
+a = 4
+b = 2
+
+print(f"""
+adition: 4 + 2 = {a + b}\n
+substraction: 4 - 2 = {a - b}\n
+multiplication: 4 * 2 = {a * b}\n
+division: 4 / 2 = {a / b}\n
+modulus: 4 % 2 = {a % b}\n
+exponentiation: 4 ** 2 {a**b}\n
+floor division: 4 // 2 {a // b}
+""")
+
+print("ASSIGMENT OPERATORS:\n")
+
+my_number = 7
+print(f"assigment = {my_number}")
+my_number += 1
+print(f"sum assigment = {my_number}")
+my_number -= 1
+print(f"substraction assigment = {my_number}")
+my_number *= 2
+print(f"multiplication assigment = {my_number}")
+my_number /= 2
+print(f"division assigment = {my_number}")
+my_number %= 4
+print(f"modulus assigment = {my_number}")
+my_number **= 2
+print(f"exponentiation assigment = {my_number}")
+my_number //= 4
+print(f"floor division assigment = {my_number}\n")
+
+print("IDENTITY OPERATORS:\n")
+
+my_new_number = my_number
+print(f"my_number is my_new_number: {my_number is my_new_number}")
+print(f"my_number is not my_new_number: {my_number is not my_new_number}\n")
+
+print("MEMBERSHIP OPERATORS\n")
+
+print(f"'i' in 'Martin' = {'i' in 'Martin'}")
+print(f"'i' not in 'Martin' = {'i' not in 'Martin'}\n")
+
+print("BIT OPERATORS:\n")
+
+print(f"AND: 10 & 3 = {10 & 3}")  # 0010
+print(f"OR: 10 | 3 = {10 | 3}")  # 1011
+print(f"XOR: 10 ^ 3 = {10 ^ 3}")  # 1001
+print(f"NOT: ~10 = {~10}")
+
+print(f"Desplazamiento a la derecha: 10 >> 2 = {10 >> 2}")  # 0010
+print(f"Desplazamiento a la izquierda: 10 << 2 = {10 << 2}\n")  # 101000
+
+print("CONTROL ESTRUCTURES:\n")
+print("Conditional:\n")
+
+my_string = "Martin"
+
+if my_string == "Martin":
+    print(f"my string is {my_string}\n")
+elif my_string == "Melo":
+    print(f"my_string is {my_string}\n")
+else:
+    print(f"my_string is not {my_string}\n")
+
+print("loop for:\n")
+hash = "#"
+for i in range(10):
+    print(hash)
+    hash += "#"
+
+print("loop while:\n")
+
+i = 0
+
+while i <= 10:
+    print(i)
+    i += 1
+
+print("\nException Handling:\n")
+
+try:
+    print(10 / 0)
+except:
+    print("Esta no es una diciosión válida, divides entre 0")
+finally:
+    print("Ha finalizado el manejo de excepciones\n")
+
+print("EXTRA\n")
+
+for i in range(10, 56):
+    num_par = i % 2 == 0
+    not_multiple_of_3 = i % 3 != 0
+
+    if num_par and i != 16 and not_multiple_of_3:
+        print(i)

Roadmap/02 - FUNCIONES Y ALCANCE/python/Dark.py

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+# Funciones
+
+# Sin parámtros pero sin retorno
+def default():
+    print("Hello")
+
+
+default()
+
+
+# Sin parámtros pero con retorno
+def with_return():
+    return 2
+
+
+with_return()
+
+
+# Con parámtros y sin retorno y posicionales
+def suma(a, b):
+    print(a + b)
+
+
+suma(4, 8)
+
+
+# Con parámetros y con retorno
+def substraction(a, b):
+    return a - b
+
+
+print(7, 5)
+
+
+# parámtro predeterminado
+def def_alr(a=21):
+    print(a)
+
+
+def_alr()
+
+
+# Con retorno 2 valores
+def multiple_return():
+    return "Hola", "Python"
+
+
+greet, name = multiple_return()
+print(greet)
+print(name)
+
+
+# Argumentos de longitud variable
+def sum(
+    *numbers,
+):  # se usa * para que la función pueda recibir tuplas, de lo contrario se recibiría un array
+    total = 0
+    for i in numbers:
+        total += i
+    print(total)
+
+
+sum(1, 2, 3, 4)
+
+
+# Funciones dentro de Funciones
+def outher_function():
+    def inner_function():
+        print("Hola, python")
+
+    inner_function()
+
+
+outher_function()
+
+# Built-in functions
+print(len("Martín"))
+print(type(34))
+print(abs(-45))  # Calcula la magnitud de un número y devuelve el resultado positivo o 0
+print("Martín".lower())
+
+"""
+Variables Globales y locales
+"""
+# Global
+x = "Awesome"  # global
+
+
+def my_function():
+    print("Python is " + x)
+
+
+my_function()
+
+
+# Or
+def my_function2():
+    global y
+    y = "Fantastic"
+
+
+my_function2()
+print("Python is " + y)
+
+
+# Local variable
+def my_function3():
+    z = 2  # Without global, just local function
+    print(z)
+
+
+z = 4
+
+my_function3()
+
+
+# OPTIONAL
+def function(a, b):
+    for i in range(1, 101):
+        if i % 3 == 0 and i % 5 == 0:
+            print(a + b)
+        elif i % 3 == 0:
+            print(a)
+        elif i % 5 == 0:
+            print(b)
+        print(i)
+
+
+function("BIZZ", "BUZZ")