In [1]:
s='segwpiehpijsdfoih'
n=len(s)
print(s[n::-1])
In [13]:
import math
def fun1():
print('请输入直角三角形所占行数:')
n=int(input('行数:'))
for i in range(1,n+1):
print('*'*i)
def fun2():
print('请输入等腰三角形所占行数:')
n=int(input('行数:'))
for i in range(1,n+1):
print(' '*(n-i)+'*'*i+'*'*(i-1))
fun1()
fun2()
In [16]:
word=input('请输入一个英语单词:')
if word.endswith('s')or word.endswith('x') or word.endswith('sh') or word.endswith('ch') or word.endswith('o') or word.endswith('z'):
print(word+'es')
elif word.endswith('by') or word.endswith('cy') or word.endswith('dy')or word.endswith('fy')or word.endswith('hy')or word.endswith('gy')or word.endswith('jy')or word.endswith('ky')or word.endswith('ly')or word.endswith('my')or word.endswith('ny')or word.endswith('py')or word.endswith('qy')or word.endswith('ry')or word.endswith('sy')or word.endswith('ty')or word.endswith('vy')or word.endswith('wy')or word.endswith('xy')or word.endswith('yy')or word.endswith('zy'):
print(word[:-1]+'ies')
elif word.endswith('f'):
print(word[:-1]+'ves')
elif word.endswith('fe'):
print(word[:-2]+'ves')
else:
print(word+'s')
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