array = list(range(10))
n = input()
for elem in array:
if int(n) == elem:
pass
array = list(range(10))
n = input()
if int(n) in array:
pass
To check if a variable is equal to one of many values,combine the values into
a tuple and check if the variable is contained in
it instead of checking
for equality against each of the values. This is faster and less verbose.