lambda.py

def squared(num): return num * num
# lambda num : num * num

print(squared(2))

def addTwo(num): return num + 2
# lambda num : num + 2

print(addTwo(12))

def sum_total(a, b): return a + b
# lambda a, b : a + b

print(sum_total(10,8))


#########################

def funcBuilder(x):
    return lambda num : num + x

addTen = funcBuilder(10)
addTwenty = funcBuilder(20)

print(addTen(7))
print(addTwenty(7))

########################
# Higher Order Functions


numbers = [3,7,12,18,20,21]

squared_nums = map(lambda num : num * num, numbers) 
# numbers is the second argument, a data collection

print(list(squared_nums))

#########################


odd_nums = filter(lambda num : num % 2 != 0, numbers)

print(list(odd_nums))

##############################

from functools import reduce

lambda acc, curr: acc + curr

numbers = [1,2,3,4,5,1]

total = reduce(lambda acc, curr: acc + curr, numbers, 10)

print(total)

print(sum(numbers, 10))


lambda acc, curr : acc + len(curr)

name = ['Dave Gray', 'Sara Ito', 'John Jacog Jingleheimerschmidt']

char_count = reduce(lambda acc, curr : acc + len(curr), name, 0)

print(char_count)