python

str = "1 2 3 4 5"
num = [1,2,3,4,5]
strs = '1' '2' '3' '4' '5'
nums = ['1' ,'2', '3', '4', '5']
print(str ,type(str),str[0],type(str[0]),'n',num,type(num),num[0],type(num[0]),'n',
      strs,type(strs),strs[0],type(strs[0]),'n',nums,type(nums),nums[0],type(nums[0]) )
str_turnto_nums = str.split(" ")
print(str_turnto_nums)
nums_turnto_num =[ int(x) for x in nums ]
nums_turnto_num = list(map(int, nums))
print(nums_turnto_num)
nums_turnto_str = ' '.join(nums)
print(nums_turnto_str)
strs_turnto_str =list(strs)
print(strs_turnto_str)