When excel copies the contents of a row, the columns are separated by the tab "\t"

Excel When copying the contents of a row , Between columns are tabs “\t” Separating .
The verification process is as follows ：
Copy the following to py In file

str1 = '6 month 21 solstice 6 month 27 Japan   The first week （6 month 28 solstice 7 month 4 Japan ）'
print(str1)

The results of the run are as follows ：

so , Indeed, as the title says ：Excel When copying the contents of a row , Between columns are tabs “\t” Separating