# user_input=input('Write a word')
# # print(user_input[-2:])
# if user_input[-2:]in(('th','sh','ch')):
#     print(user_input +'es')
# if user_input[-1] in ('s','x'):
#     print(user_input+'es')
# # else print(user_input+'s'):
# #bin-max
# highest_num=0
# places=20
# for n in range(256):
#     highest_num=0
# #compute highest number for n- places
#     for p in range(0,n):
#         highest_num+=2**p #add up binary value

#     print(n, 'bits lets you go up to',high
# nums=(1,2,4,6)
# print(nums[1:3])
# names= ('hi','will')
# print(names.count('will'))
# word='hat'
# print(word=word+'s')
# phrase='hi there. whats up'
# tuple(phrase.split('hi', 'there'))
