Generator

l = ['a', 'b', 'c']

for i in l:
    print(i)


####################################################################
# Generator

def greeting():
    yield 'a'
    yield 'b'
    yield 'c'


# for g in greeting():
#    print(g)


g = greeting()
print(next(g))  # a
print(next(g))  # b
print(next(g))  # c
# print(next(g))  # StopIteration

####################################################################
t = (1, 2, 3, 4, 5)
t2 = (5, 6, 7, 8, 9, 10)

r = [i for i in t if i % 2 == 0]
print(r)  # [2, 4]

r = [i * j for i in t for j in t2]
print(r)  # [5, 6, 7, 8, 9, 10, 10, 12, .. ]

####################################################################
w = ['a', 'b', 'c']
f = [1, 2, 3]

d = {}
for x, y in zip(w, f):
    d[x] = y
print(d)  # {'a': 1, 'b': 2, 'c': 3}

d = {x: y for x, y in zip(w, f)}
d2 = dict(zip(w, f))

####################################################################
s = set()
for i in range(10):
    if i % 2 == 0:
        s.add(i)

s = {i for i in range(10) if i % 2 == 0}
print(s)  # {0, 2, 4, 6, 8}


####################################################################
def g():
    for i in range(10):
        yield i


g = g()
print(type(g))  # <class 'generator'>

g = (i for i in range(10) if i % 2 == 0)
print(type(g))  # <class 'generator'>
for x in g:
    print(x)  # 0 2 4 6 8

g = tuple(i for i in range(10))
print(type(g))  # <class 'tuple'>