str.isupper() Return true if all cased characters [4] in the string are uppercase and there is at least one cased character

bytes.strip([chars]) bytearray.strip([chars]) Return a copy of the sequence with specified leading and trailing

class dict(**kwarg) class dict(mapping, **kwarg) class dict(iterable, **kwarg) Return

update(other, ...) set |= other | ... Update the set, adding elements from all others.

isdisjoint(other) Return True if the set has no elements in common with other. Sets are disjoint if and

discard(elem) Remove element elem from the set if it is present.

str.count(sub[, start[, end]]) Return the number of non-overlapping occurrences of substring sub in the range [start

str.isalpha() Return true if all characters in the string are alphabetic and there is at least one character, false otherwise

bytes.endswith(suffix[, start[, end]]) bytearray.endswith(suffix[, start[, end]]) Return True if the

bytearray.islower() Return true if there is at least one lowercase ASCII character in the sequence and no uppercase ASCII characters