print(f'{     math.pi          =            :.2f          }')
s1 = f'{math.pi = :.2f}'
s2 = f'{f"{3.1415=:.1f}":*^20}'
s3 = f'{         0 ==          1 }'
s4 = f'{                              12345      +          x  =   }'
s5 = f'''{
    3
  = }'''