list
[::-1]
string
[::-1]
Example
[1,2,3][::-1] #[3,2,1] 'help'[::-1] #'pleh'
max(list
, key=list
.count)
Example
x = [1,1,2,3] max(set(x),key=x.count)
#1
def similarity(a, b) :
return [item for item in a if item in b]
#2
def similarity2(a, b) :
return list(set(a) & set(b))