Python - Multiple while loops in a for loop?

Question

while z[0] <= D(0):
  if z[1] >= z[0]:
    if Fractionate(1) > 0:

      while z[1] <= D(1):
        if z[2] >= z[1]:
          if Fractionate(2) > 0:

            while z[2] <= D(2):
              if z[3] >= z[2]:
                if Fractionate(3) > 0:

Here I have a bunch of while loops and they're all doing the same thing. I was wondering if i could use some sort of for loop to shorten this. I can't just do

for i in range(0, k - 2):
  while z[0] <= D(0):
    if z[i+1] >= z[i]:
      if Fractionate(i+1) > 0:

Because it only does 1 while loop at a time.

maybe use continue?

Tien Dinh
– Tien Dinh

2018-02-09 03:36:31 +00:00
Commented Feb 9, 2018 at 3:36 — Tien Dinh
– Tien Dinh, Commented Feb 9, 2018 at 3:36
What are you trying to accomplish?

Olivier Melançon
– Olivier Melançon

2018-02-09 04:06:40 +00:00
Commented Feb 9, 2018 at 4:06 — Olivier Melançon
– Olivier Melançon, Commented Feb 9, 2018 at 4:06

Bryan Hinchliffe · Accepted Answer · 2018-02-09 03:53:20Z

2

I don't know exactly what you're trying to do, but I would recommend using a recursive function, something like this:

def recurse(n):
    while z[n] <= D(n):
        if z[n+1] >= z[n]:
            if Fractionate(n+1) > 0:
                return recurse(n+1)
            else:
                return base value

recurse(0)

answered Feb 9, 2018 at 3:53

Bryan Hinchliffe

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1 Comment

Bryan Hinchliffe Over a year ago

No problem, just remember to mark this as answered if it helped solve your problem!

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