#字符串数值化显示和输出

#course1 = "python's course for beginners"
#print(course1)
#course2 = 'python course for "beginners"'
#print(course2)
#course3 = ''' 
#hi dyt

#here is our first email to you 

#Thank you ,
#The support team

#'''

#print(course3)
#course4 = 'python  for beginners'
#another =  course4[:]
#print(another)
course5 = 'jennifer'
print(course5[1:-1])