If Statements and Setting Variables in Python

Question

I'm trying to pass in df1, df2, df3 & df4 sequentially into the parseTwoPoleBreakers function. However, only df1 is being ran. Is there something wrong with my if elif statements that causing df2, df3 & df4 to not be passed into the parseTwoPoleBreakers function?

i=0
for j in range(0,4):
    if j==0:
        df=df1
    elif j==1:
        df=df2
    elif j==2:
        df=df3
    else:
        df=df4
    #execute this for each dataframe
    while (i<7):
        parseTwoPoleBreakers(7,8,"ab",i,df)
        breakerid+=1
        parseTwoPoleBreakers(9,10,"bc",i,df)
        breakerid+=1
        parseTwoPoleBreakers(11,12,"ca",i,df)
        breakerid+=1
        i+=1
    #j+=1
    print j

You could try to print something in your elif statements. What have you done to debug your code? — OneCricketeer
– OneCricketeer, Commented Apr 24, 2016 at 2:13

OneCricketeer · Accepted Answer · 2016-04-24 02:17:18Z

4

I'm trying to pass in df1, df2, df3 & df4 sequentially into the parseTwoPoleBreakers function

Your problem is most likely related to variable scoping inside the if statements or the fact the while i < 7 isn't entered after df1 because i == 7

Use a list instead for the df and did you mean to loop back over the 7 i values?

for df in [df1, df2, df3, df4]:
    #execute this for each dataframe
    for i in range(7):
        parseTwoPoleBreakers(7,8,"ab",i,df)
        breakerid+=1
        parseTwoPoleBreakers(9,10,"bc",i,df)
        breakerid+=1
        parseTwoPoleBreakers(11,12,"ca",i,df)
        breakerid+=1

answered Apr 24, 2016 at 2:17

OneCricketeer

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1 Comment

pHorseSpec Over a year ago

Welp, I'll look for someone to insult me for this stupid mistake :P

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