[Python] Iterating through list not working

[Chuk_Chuk]

I'm trying to iterate through a list but python isn't pulling any elements in from the list. I've checked and the list is definitely populated, it is a list and it contains no empty elements. Any ideas how to fix this?

Here is the first half of the function that is given me trouble

Spoiler

def assemble_compound(self):
#function attempts to construct compound units from the units in instance
#Get all compound units

def compare_expo (cu_dict, ist_dict):
#Compares the exponential
for thing in cu_dict.keys():
if cu_dict[thing] != ist_dict[thing]:
return False

return True

ul, ul_cu, ue, ug = func_comp(cu)

print ("tick")
print (ul)
for item in ul:
print ("item tick: {}".format(item))

print ("Tock")

#Get compound
#check is units are present
#check units are the same expo

print ("Check: {}".format(ul))

print ("rev grp: {}".format(self.unit_grp_rev.keys()))
print ("self.expo: {}".format(self.unit_expo))
for item in ul:
#Check that all groups necessary for compound unit is present and that the
#exponential are at least larger than necessary
#Only considers exact matches
print (ul)
print (ug)
print (ue)
print ("item: ".format(item))
print ("ug: ".format(ug[item]))
print ("ue: ".format(ue[item]))

Here is the output

Spoiler

tick
['N']
item tick: N
Tock
Check: ['N']
rev grp: dict_keys(['length', 'mass', 'other'])
self.expo: {'s': -2.0, 'm': 1, 'kg': 1}
['N']
{'N': {'s': 'second', 'm': 'length', 'kg': 'mass'}}
{'N': {'s': -2.0, 'm': 1.0, 'kg': 1.0}}
item:
ug:
ue:

In the first for loop (which is for testing purposes) it iterate through ul fine. But in the second for loop it appears to be having trouble

 

[Chuk_Chuk]

the reason my code wasn't working as expected was because my list of supported units wasn't complete. However that didn't explain why the outputs where coming up blank.

@AHarvey
Do you mean like github? and if yes are there any good free alternatives?

 

[Chuk_Chuk]

Here is the function in question that is causing me trouble

Also I'm thinking of using gitlab to host and share the files. Is there anything i should be aware of with regards to sharing code?

 

[Chuk_Chuk]

the code is a mess but anyway, you arent using the string format method correctly, missing curky braces {}

I'm not sure if I should laugh or cry at that mistake. Thanks.

Also why do you say it is a mess and how would you recommend that I improve it?