lst = ["太黑","wusir","鸡排",["56",["胜多负少"],],"安徽"]
print(lst[2][1])
print(lst)
lst[1] = lst[1].capitalize()
print(lst)
lst[3].append("可乐")
print(lst)
lst[0] = lst[0].replace("黑","白")
print(lst)
lst[3][0] = lst[3][0].replace("5", "化")
print(lst[3][0])
tu = (1,44,"可乐",["你垫付","即假",])
for el in tu:
print(el)
tu[3].append("123")
print(tu)
#range数数
sum = 0
for i in range(101):
if i % 2 == 0:
sum = sum - i
else:
sum = sum + i
print(sum)
"""
"""
li = ["alex", "WuSir", "ritian", "barry", "wenzhou"]
l2 = [1, "a", 3, 4, "heart"]
print(len(li))
li.append("seven")
print(li)
li.insert(1,"Tony")
print(li)
li.insert(2,"Kelly")
print(li)
li.extend(l2)#迭代添加
print(li)
s = "qwert"
li.extend(s)
print(li)
li.remove("e")
print(li)
delt = li.pop(1)
print(li)
print(delt)
del li[1:4]
print(li)
li.reverse()
print(li)
print(li.count("alex"))
"""
"""
li = [1, 3, 2, "a", 4, "b", 5, "c"]
l1 = li[:3]
print(l1)
l2 = li[3:6]
print(l2)
l3 = li[::2]
print(l3)
l4 = li[1:6:2]
print(l4)
l5 = li[7:]
print(l5)
l6 = li[-3::-2]
print(l6)
#lis = [2,3,"k",["qwe",20,["k1",["tt",3,"1"]],89],"ab","abv"]
#将tt转为大写
#lis[3][2][1][0] = lis[3][2][1][0].upper()
#print(lis)
#lis[3][2][1][0] = lis[3][2][1][0].replace("tt","TT")
#print(lis)
#lis[3][2][1][1] = 100
#print(lis)
#lis[3][2][1][1] = str(lis[3][2][1][1] + 97)
#print(lis)
#lis[3][2][1][2] = 101
#print(lis)
#lis[3][2][1][2] = str(int(lis[3][2][1][2]) + 100)
#print(lis)
li = ["alex", "erict", "rain"]
s = ""
for c in li: #累加
s = s + c + "_"
print(s[:len(s)-1])
"""
