str1= "a1b2c3"

digit_count = 0

for i in str1:

      if i.isdigit():

             digit_count += 1

print(digit_count)

for i in range(5):

       if i == 2:

              continue

       print(i, end="")

n = 0

while n < 5:

         n += 1

         if n == 3:

                break

print(n)

dict1 = {"name": "Tom", "age": 18}

for k, v in dict1.items():

         print(k, end="")

import random

nums = []

for i in range(5):

num = random._____(10，20)_# 填写函数名

nums.append(num)

list2 = [1,2,3,4,5,6]

for i in list2[:]: # 使用切片避免遍历中修改列表的问题

if i % 2 == 0:

______ # 移除元素i

print(list2)

scores = {"Alice":90, "Bob":85, "Cindy":95}

total = 0

for score in scores.________:

total += score

avg = total / len(scores)

set3 = {2,4,6}

list3 = ____(set3) # 转换为列表

list3.sort(__________)