python int to string or 0 code example
Example 1: python convert number to string with leading zeros
str(1).zfill(2)
# 1 will be '01'
str(23).zfill(4)
# 23 will be '0023'
Example 2: python integer to string format
'{:d}'.format(42)
str(1).zfill(2)
# 1 will be '01'
str(23).zfill(4)
# 23 will be '0023'
'{:d}'.format(42)