Zero basic learning python generator full solution two

python3.6

pycharm

print('fib:1 1 2 3 5 8 13 21.... ') # Fibonacci ratched sequence def fib_list (n) : TMP = [] a, b = 1, 1, while a < n: TMP. Append (a) a, b = b, a+b    return tmp= fib_list(200)print(L)

# Define the generator function def fib_generator(n): a, b = 1, 1 while a < n: yield a a, b = b, a+b

# Call the function, generate a generator, and iterate through the generator with a for loop. g = fib_generator(200)for i in g:    print(i, end=' ')print()

# definition of Fibonacci ratched generator function of the second writing def it () : a, b = 1, while 1: yield a, a, b = b, a + b

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To use a generator, you first define a generator function with the keyword yield, then call the function to create a generator, and finally iterate through the loop and fetch the next value of the generator with the next () function.