How to break multiple loops in Python?

Question

I am looping through a JSON dict to capture some data, I receive my expectant output, but too many times, where should either loop break to correctly capture the output? This out shows the formatted string more times than expected?

for dSr in lServiceRequests:
            dListOfLa311ElectronicWaste = dSr["ListOfLa311ElectronicWaste"]
            if("La311ElectronicWaste" in dListOfLa311ElectronicWaste):
                lLa311ElectronicWaste = dListOfLa311ElectronicWaste["La311ElectronicWaste"]
                for dla311ElectronicWaste in lLa311ElectronicWaste:
                     v_ewaste_item_count= dla311ElectronicWaste[K_ewaste_Item_Count]
            dListOfLa311ElectronicWaste = dSr["ListOfLa311ElectronicWaste"]
            if("La311ElectronicWaste" in dListOfLa311ElectronicWaste):
                lLa311ElectronicWaste = dListOfLa311ElectronicWaste["La311ElectronicWaste"]
                for dla311ElectronicWaste in lLa311ElectronicWaste:
                    v_ewaste_type = dla311ElectronicWaste[K_ewaste_type]
                v_ewaste_item_info += '{0},  {1} '.format(v_ewaste_item_count, v_ewaste_type)
                print v_ewaste_item_info

Output:

1,  Cell Phone 
 1,  Cell Phone 1,  Computers 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 1,  Copier/Scanner 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 1,  Copier/Scanner 4,  Laptops/Tablets 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 1,  Copier/Scanner 4,  Laptops/Tablets 4,  Stereo/Speakers 
 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 1,  Copier/Scanner 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 1,  Copier/Scanner 4,  Laptops/Tablets 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 1,  Copier/Scanner 4,  Laptops/Tablets 4,  Stereo/Speakers 
 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 1,  Copier/Scanner 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 1,  Copier/Scanner 4,  Laptops/Tablets 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 1,  Copier/Scanner 4,  Laptops/Tablets 4,  Stereo/Speakers 
 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 1,  Copier/Scanner 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 1,  Copier/Scanner 4,  Laptops/Tablets 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 1,  Copier/Scanner 4,  Laptops/Tablets 4,  Stereo/Speakers 
 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 1,  Copier/Scanner 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 1,  Copier/Scanner 4,  Laptops/Tablets 
 1,  Cell Phone 1,  Computers 2,  Cell Phone 2,  Cell Phone 1,  Laptops/Tablets 1,  Cell Phone 2,  TV (Any Size) 1,  Cell Phone 2,  Cell Phone 1,  Cell Phone 1,  Copier/Scanner 4,  Laptops/Tablets 4,  Stereo/Speakers

at least you need to unify your own style to name a variable... — Jason Hu
– Jason Hu, Commented Jun 15, 2015 at 18:06
Can you explain to us what's your aim and what's the JSON input? — Alessandro Suglia
– Alessandro Suglia, Commented Jun 15, 2015 at 18:07

Dportology · Accepted Answer · 2015-06-15 18:05:16Z

4

You have options when you need to break out of more than one loop.

1 - Put this code in a separate function and use a return.

2 - use a flag variable to know when to exit the outer loop after breaking from the first

3 - use an exception to exit

And I'm sure there are even more ways to do this!

answered Jun 15, 2015 at 18:05

Dportology

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Comments

Charles Clayton · Accepted Answer · 2015-06-15 18:10:54Z

1

You could always put it in a try and create an exception and catch it to get out.

class BreakAllLoops(Exception):
    print("Breaking loops")

try:
    while True:
        for i in range(10):
            print(i)
            if(i > 5):
                raise BreakAllLoops

except BreakAllLoops:
    print("Left loops")

answered Jun 15, 2015 at 18:10

Charles Clayton

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Comments

Alex Ivanov · Accepted Answer · 2015-06-15 18:19:30Z

1

You don't need to break anything. Instead of print v_ewaste_item_info do

L=[]
for dSr in lServiceRequests:
...
if v_ewaste_item_info not in L:
    L.append(v_ewaste_item_info)

Then print L. It will contain no duplicates.

answered Jun 15, 2015 at 18:19

Alex Ivanov

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Comments

Ericson Willians · Accepted Answer · 2015-06-15 18:09:57Z

0

Considering the following lists as an example / analogy:

l1 = [x for x in range(10)]
l2 = [x for x in range(20)]

Instead of iterating through them like this:

for i in l1:
    for j in l2:
        print(i)
        print(j)

Iterate through them like this:

for i in l1, l2:
    print(i)

Try to apply it to your code (Using commas and just one loop, and accessing the elements accordingly).

answered Jun 15, 2015 at 18:09

Ericson Willians

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