{}
# Online Python compiler (interpreter) to run Python online.
# Write Python 3 code in this online editor and run it.
from functools import reduce
# Data
countries = ['Estonia', 'Finland', 'Sweden', 'Denmark', 'Norway', 'Iceland']
names = ['Asabeneh', 'Lidiya', 'Ermias', 'Abraham']
numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
# For loops
print("Countries:")
for country in countries:
print(country)
print("\nNames:")
for name in names:
print(name)
print("\nNumbers:")
for number in numbers:
print(number)
# map
print("\nMap - Countries to UPPERCASE:")
print(list(map(str.upper, countries)))
print("\nMap - Square of Numbers:")
print(list(map(lambda x: x**2, numbers)))
print("\nMap - Names to UPPERCASE:")
print(list(map(str.upper, names)))
# filter
print("\nFilter - Countries containing 'land':")
print(list(filter(lambda country: 'land' in country, countries)))
print("\nFilter - Countries with exactly 6 characters:")
print(list(filter(lambda country: len(country) == 6, countries)))
print("\nFilter - Countries with 6+ characters:")
print(list(filter(lambda country: len(country) >= 6, countries)))
print("\nFilter - Countries starting with 'E':")
print(list(filter(lambda country: country.startswith('E'), countries)))
# reduce
print("\nReduce - Sum of numbers:")
print(reduce(lambda x, y: x + y, numbers))
# Higher-order function
def higher_order_function(f, data):
return [f(item) for item in data]
print("\nHigher-order function - lowercase countries:")
print(higher_order_function(str.lower, countries))
# Closure
def make_multiplier(n):
def multiplier(x):
return x * n
return multiplier
times3 = make_multiplier(3)
print("\nClosure - Multiply 10 by 3:")
print(times3(10))
# Decorator
def uppercase_decorator(func):
def wrapper():
result = func()
return result.upper()
return wrapper
@uppercase_decorator
def greet():
return 'hello'
print("\nDecorator - Greet:")
print(greet())