[Python] item for item in list if "s" in name. List comprehension [duplicate]

names = ["Milo", "Sarah", "Bruno", "Anastasia", "Rosa"]
namesWith_O = [name for name in names if ("s" or "S") in name]
print(namesWith_O)


The output is :

['Anastasia', 'Rosa']


SImilarly,

names = ["Milo", "Sarah", "Bruno", "Anastasia", "Rosa"]
namesWith_O = [name for name in names if ("S" or "s") in name]
print(namesWith_O)


The output is:

['Sarah']


Next example:

name = "Issac Newton"
if "i" or "c" in name:
print("True")


The output is :

True


Why are all these behaving differently?

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