Calculate concentration of pesticides according to active substance
Python, 60 lines
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Copy to clipboard1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | # Created by Donyo Ganchev, Agricultural University, town of Plovdiv, Bulgaria
#donyo@abv.bg
choice=None
def Concentration():
per_act_sub=input('Enter the percent of active substance in formulation : ')
per_con_ws=input('Enter the percent concentration of the pesticide solution: ')
am_ws=input('Enter the amount of pesticide solution: ')
m_val=(float(am_ws)/(((per_act_sub-per_con_ws)/10)+(per_con_ws/10)))
am_pest_ws=(per_con_ws/10)*m_val
am_water=(((per_act_sub-per_con_ws)/10)+(per_con_ws/10))*(am_ws)/(((per_act_sub-per_con_ws)/10)+(per_con_ws/10))-am_pest_ws
print \
"""
"""
print "Amount of pesticide formulation (ml or g): ", am_pest_ws
print "Amount of water in pesticide solution (ml): ", am_water
while choice!="0":
print \
"""
Pesticide Solution Concentration Program
1 - Begin calculation
0 - Exit
"""
choice= raw_input("Choice: ")
if choice == "0":
exit()
elif choice=="1":
Concentration()
|
In these codes you may as well write
while True: since you call exit if choice is '0'. Or the other way around.