字符

字符源程序：
strRun ='''To every girl that I meet here this is what I say:
Run run run away, run away baby
Before I put my spell on you
You better get get get away get away darling
'Cause everything you heard is true'''
strList = strRun.split()
print(strList)

strListSort = strList.sort()
print(strListSort)
print(strList)

print(strRun.count('run'))



classmates=['Michael','Boy','Tracy','李三','Tom','56']
print(classmates[1:3])
print(len(classmates))
print(classmates.index('Tracy'))

classmates[2] = 'Girl'
print(classmates)

classmates.sort()
print(classmates)

print(classmates.count('Michael'))

classmates.insert(1,'Jack')
print(classmates)

classmates.append('Adam')
print(classmates)

classmates.pop(2)
print(classmates)

classmates1=('Michael','Boy','Tracy','李三','Tom','56')
print(classmates,classmates1)