Python generator

def count_to_ten_generator():
  for number in range(10):
    yield number
my_generator = count_to_ten_generator()
first_number = next(my_generator)
list_or_the_rest = list(my_generator)

Python generators

# Size of generators is a huge advantage compared to list
import sys

n= 80000

# List
a=[n**2 for n in range(n)]

# Generator
# Be aware of the syntax to create generators, lika a list comprehension but with round brakets
b=(n**2 for n in range(n))

print(f"List: {sys.getsizeof(a)} bits\nGenerator: {sys.getsizeof(b)} bits")

Python generator function

def gen_nums():
    n = 0
    while n < 4:
        yield n
        n += 1

Source: powerfulpython.com

Python generator

# A recursive generator that generates Tree leaves in in-order.
def inorder(t):
    if t:
        for x in inorder(t.left):
            yield x

        yield t.label

        for x in inorder(t.right):
            yield x

Source: docs.python.org

Similar codes

1 vote174 views1 answer
Pandas change dtype to string
Python
0 vote160 views1 answer
Accessing python dictionary values with dot
Python
0 vote194 views2 answers
Django run command from code
Python Django
1 vote173 views1 answer
The `.create()` method does not support writable nested fields by default. Write an explicit `.create()` method for serializer `room_api.serializers.roomSerializer`, or set `read_only=True` on nested serializer fields.
Python
2 votes137 views3 answers
Python seaborn color map
Python
0 vote239 views1 answer
How to check local endianness with Python ?
Python
11 votes153 views1 answer
Pandas xlsx to csv
Python
41 votes149 views6 answers
Pd.read_csv
Python
32 votes165 views6 answers
Else if python
Python
0 vote166 views1 answer
Python how to move multiple values from one list to another at once
Python