def get_valid_input(value):
while True:
try:
return float( input( value ) )
except ValueError:
print( 'LOL, your input is not valid, please try again!!' )
...
...
CABLES = [10, 16, 25, 35, 50, 70, 95, 120, 150, 185, 240, 300, 400, 500, 630]
...
...
def get_valid_cable_size():
print('Please take a note that acceptable cable size (sq.mm) are as follow: ')
print(CABLES)
while True:
cableSize = get_valid_input( 'Please enter a cable size:' )
cableSize = int(cableSize)
if cableSize in CABLES:
return cableSize
print('Please enter a valid cable size')
...
...
def installation_methods():
print( 'Please choose the installation method\n\
(1) Mobile installation in open air, ambient temperature 30 deg C\n\
(2) Fixed and protected installation in open air, ambient temperature 30 deg C' )
while True:
installation_method = get_valid_input( '1 or 2?' )
if installation_method in (1, 2):
return installation_method
...
...
def get_required_set_of_cables(Ampere, cableSize):
while installation_method == 1:
if cableSize == 10:
return Ampere / 53
elif cableSize == 16:
return Ampere / 71
elif cableSize == 25:
return Ampere / 94
elif cableSize == 35:
return Ampere / 117
elif cableSize == 50:
return Ampere / 148
elif cableSize == 70:
return Ampere / 185
elif cableSize == 95:
return Ampere / 222
elif cableSize == 120:
return Ampere / 260
elif cableSize == 150:
return Ampere / 300
elif cableSize == 185:
return Ampere / 341
elif cableSize == 240:
return Ampere / 407
elif cableSize == 300:
return Ampere / 468
elif cableSize == 400:
return Ampere / 553
elif cableSize == 500:
return Ampere / 620
elif cableSize == 630:
return Ampere / 742
while installation_method == 2:
if cableSize == 10:
return Ampere / 77
elif cableSize == 16:
return Ampere / 102
elif cableSize == 25:
return Ampere / 136
elif cableSize == 35:
return Ampere / 168
elif cableSize == 50:
return Ampere / 203
elif cableSize == 70:
return Ampere / 254
elif cableSize == 95:
return Ampere / 299
elif cableSize == 120:
return Ampere / 363
elif cableSize == 150:
return Ampere / 416
elif cableSize == 185:
return Ampere / 475
elif cableSize == 240:
return Ampere / 559
elif cableSize == 300:
return Ampere / 637
elif cableSize == 400:
return Ampere / 722
elif cableSize == 500:
return Ampere / 833
elif cableSize == 630:
return Ampere / 833
...
...
if __name__ == '__main__':
while True:
print('******This program\'s algorithm behind is only for 1C H07RN-F insulated cable. Developed by Kyaw Myo Oo*****\n'
'Also please take a note that there is no consideration for voltage drop and other factor such as Ca, Cg & Ci. ')
Ampere = get_valid_input( 'Please enter an Ampere:' )
cableSize = get_valid_cable_size()
installation_method = installation_methods()
required_set_of_cables = get_required_set_of_cables(Ampere, cableSize)
print(f'The cables sets required for {cableSize}sq.mm cable are{required_set_of_cables: .2f} sets per phase for {Ampere}A' )
print('The program ends here! Good Luck!!\n-----------------------------------')
