convert 3 digit number to 4 digit in python code example

Example 1: convert 1 digit to 2 digit python

number = 10
print(number) #Output: 10
zero_filled_number = str(number).zfill(3)
print(zero_filled_number) #Output: "010"

Example 2: show number as 3 digit python

f"{MyNumber:0=3d}"