Python Three Ways

programming_styles.py

"""
Python three ways

Print the numbers 1 - 10 in procedural, functional, and
object oriented styles.
"""

# Procedural 
print(1)
print(2)
print(3)
print(4)
print(5)
print(6)
print(7)
print(8)
print(9)
print(10)

# Better procedural 
for i in range(1,11):
    print(i)

# Even Better Procedural 
def print_numbers(min_number, max_number):
    for i in range(min_number, max_number):
        print(i)

print_numbers(1, 11)

# Functional
numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
print("### FUNCTIONAL ###")

print(list(map(lambda x: print(x), numbers)))

# Object Oriented 
print("### OBJECT ORIENTED ###")

class NumberPrinter():

    def __init__(self, min_number, max_number):
        self.min_number = min_number
        self.max_number = max_number
        self.numbers = []

    def print_numbers(self):
        for i in range(self.min_number, self.max_number):
            print(i)

    def create_number_array(self):
        for i in range(self.min_number, self.max_number):
            self.numbers.append(i)

    def print_functional_numbers(self):
       print("### Functional inside of an Object??? ###")
       self.create_number_array()
       print(list(map(lambda x: print(x), self.numbers)))

printer = NumberPrinter(1, 11)
printer.print_numbers()
printer.print_functional_numbers()