070.generators.py

import sys


def my_range(n: int):
    print("my_range starts")
    start = 0
    while start < n:
        print("my_range is returning {}".format(start))
        yield start
        start += 1


# big_range = range(5)
big_range = my_range(5)
_ = input("line 15")

print(next(big_range))
print("big_range is {} bytes".format(sys.getsizeof(big_range)))

# create a list containing all the values in big_range
_ = input("line 21")
big_list = []
_ = input("line 23")
for val in big_range:
    _ = input("line inside the loop")
    big_list.append(val)

print("big_list is {} bytes".format(sys.getsizeof(big_list)))
print(big_range)
print(big_list)

print("looping again or not")
for i in my_range(5):
    print("i is {}".format(i))