In [1]:

```
import math
#Variable declaration
C=1000*10**-12; #Switche capacitor value in farads
R=1000; #resistance in ohms
#calculation
T=R*C; #Time period
f=1/T; #Frequency at which switch should operate
f=math.ceil(f)
#Result
print('Frequency at which each switch should operate(in hertz) is \n %d' %f)
print('Duty cycle should be 50%')
```