压力转换器

# Pressure conversions in Python

def pa_to_psi(pa):
    return pa / 6894.757

def psi_to_pa(psi):
    return psi * 6894.757

def bar_to_atm(bar):
    return bar / 1.01325

def pa_to_mmhg(pa):
    return pa / 133.322

def pa_to_hpa(pa):
    return pa / 100

# Examples
print(pa_to_psi(101325))    # 14.696 PSI (1 atm)
print(psi_to_pa(32))        # 220632 Pa (typical tire pressure)
print(bar_to_atm(1))        # 0.9869 atm
print(pa_to_mmhg(101325))   # 760.0 mmHg
print(pa_to_hpa(101325))    # 1013.25 hPa