import decimal  
with decimal.localcontext() as context:  
    context.prec = 2  
    print('Local precision:', context.prec)  
    print('22/7 =', (decimal.Decimal('22') / 7))  
  
print()  
print('Default precision:', decimal.getcontext().prec)  
print('22 /7 =', (decimal.Decimal('22') / 7)) 