Finding elements present in only one of two lists

Question

I have two lists, heatmapNames and taxLabels.

heatmapNames = ['dog', 'walrus', 'cat', 'pig', 'orca', 'moose', 'bear', 'fox', 'salamander']

taxLabels = ['cat', 'deer', 'mouse', 'rat', 'walrus', 'orca', 'fox']

I am trying to produce two new lists. One containing the elements in both lists called sharedNames and one containing elements found only in heatmapNames called onlyHeatmapNames.

Here is the code I have to do this:

sharedNames = []
onlyHeatmapNames =[]
onlyTaxLabels = []
for heatmapName in heatmapNames:
    for taxLabel in taxLabels:
        if heatmapName in taxLabel:
            sharedNames.append(heatmapName)
    if heatmapName not in onlyHeatmapNames:  
        onlyHeatmapNames.append(heatmapName)

While the sharedNames list is correct, some of the elements in onlyHeatmapNames are also found in sharedNames. How can I solve this?

score 1 · Accepted Answer · answered Sep 24 '20 at 16:32

1

You would better do this:

sharedNames=[i for i in heatmapNames if i in taxLabels]
onlyHeatmapNames=[i for i in heatmapNames if i not in taxLabels]
onlyTaxLabels=[i for i in taxLabels if i not in heatmapNames]

answered Sep 24 '20 at 16:32

IoaTzimas

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Finding elements present in only one of two lists

1 Answers1