How to I call a list or generator within a String formatter?-CodePudding

Wish to pad numbers from 1 - 99 like so:

001 002 ... 099

I can print the list

x = [x   1 for x in range(99)]
print(x)

or make a generator object

def gen99():
    gen = 10
    end = 99
    while gen < end:
        for x in range (end):
            yield gen
            gen  = 1

#f = gen99()
#next(f)

I can pad a single number

Padded = "{:0=3}"
print(Padded.format(1))

I cannot combine these things

CodePudding user response：

Generally, you need to call the generator properly:

def gen(start, end):
    for x in range(start, end):
        yield x

Padded = "{:0=3}"
for x in gen(10, 100):
    print(Padded.format(x))

But you can use a generator comprehension as well:

generator = (f"{x:0=3}" for x in range(10, 100))
for el in generator:
    print(el)

Edit: If you want to use next syntax:

generator = gen(10, 100)
element = next(generator)
print(Padded.format(element))

CodePudding user response：

Unless I don't understand the question then surely it's as simple as:

print(' '.join(f'{n:03}' for n in range(1, 100)))

Output:

001 002 002 ... 099

Note:

Not a list comprehension but a generator. Range is 1->99 inclusive