x=12345.67890
# %x.yf - at least x long space (. and - included) for variable type float (f),
# show y digits after .
print("x = %.2f" % x) #12345.67 <- show 2 digits after .
print("x = %2.2f" % x) #12345.67 <- 12345.67 takses more than 2 spaces
print("x = %10.2f" % x) # 12345.67 <- left 2 blank spaces before the number to match 10 long space