python瞎练

def expandstr(mylist):
    if isinstance(mylist[-1],str):
        mylist.append(0.00)
    indexlist = []
    i=0
    while i<len(mylist)-1:
        myval = mylist[i]
        if isinstance(mylist[i+1], str) and isinstance(myval, str):
            indexlist.append(i)
        else:
            print("hi")
        i+=1
    indexlist=list(map(lambda x:x+1,indexlist))
    mylist.insert(indexlist[0],0.00)
    i=1
    while i<len(indexlist):
        mylist.insert(indexlist[i]+1,0.00)
        i+=1
    print("expand: ",indexlist)
    print("expand: ",mylist)

saiwa=[‘‘, ‘‘, ‘‘, ‘‘, ‘‘, ‘‘, ‘‘, ‘‘, ‘‘, ‘‘, ‘‘, ‘‘, ‘‘, ‘‘, ‘‘, ‘‘, ‘‘, ‘每吨人工：‘, ‘‘, 90.0, ‘‘, ‘‘, ‘总人工‘, 1748.07, ‘‘, ‘‘]
print(len(‘‘))
def delempty(mylist):
    if ‘‘ in mylist:
        mylist.pop(mylist.index(‘‘))
        delempty(mylist)
    return mylist
saiwa=delempty(saiwa)
print(‘finally:‘,saiwa)