파이썬 - 숫자를 문자열로 만들기 (01,02..., 001,002)

1) str.zfill(width)

str(1).zfiil(2)  # '01'
str(2).zfiil(2)  # '02'
...
str(1).zfill(3)  # '001'
...

 

2) rjust(width, [fillchar])

"1".rjust(3, '0')  # '001'
"1".rjust(3, 'a')  # 'aa1'
...

 

3) print

print ("%03d"% 1)  # '001'
...
print (format(1, '02'))  # '01'
...