varInt = 12

print(
    "Integer : " +
    "{:07.3f}".format(varInt)
)

Outputs:

Integer : 012.000

The 7 is total field width and includes the decimal point.

numbers = [23.23, 0.1233, 1.0, 4.223, 9887.2]                                                                                                                                                   
                                                                                                                                                                                                
for x in numbers:                                                                                                                                                                               
    print("{:10.4f}".format(x)) 

prints

   23.2300
    0.1233
    1.0000
    4.2230
 9887.2000

The format specifier inside the curly braces follows the Python format string syntax. Specifically, in this case, it consists of the following parts:

• The empty string before the colon means "take the next provided argument to format()" – in this case the x as the only argument.
• The 10.4f part after the colon is the format specification.
• The f denotes fixed-point notation.
• The 10 is the total width of the field being printed, lefted-padded by spaces.
• The 4 is the number of digits after the decimal point.

from typing import Any

def standarize(value: Any) -> str:
    if type(value) == int:
        return str(value)
    elif type(value) == float:
        return f'{value:.2f}'
    else:
       return str(value)
    
print(f'Value int: {standarize(1)}')
print(f'Value float: {standarize(113.91715)}')
print(f'Value str: {standarize("any string")}')