Python: Does not Increment Integer Value inside of String

Question

I have question about coding in Python, IDE I use is Pycharm Community Edition.

I have code like this

i = 0
str_1 = """public class Schedule_Boolean_Monday_""" + str(i) + """ {

public Schedule_Boolean_Monday_""" + str(i) + """_3(Context context){
    this.mContext = context;
    }
}"""

for i in range(3):
     print(str_1)

And Current Output is like this

public class Schedule_Boolean_Monday_0 {

public Schedule_Boolean_Monday_0_3(Context context){
    this.mContext = context;
    }
}
public class Schedule_Boolean_Monday_0 {

public Schedule_Boolean_Monday_0_3(Context context){
    this.mContext = context;
    }
}
public class Schedule_Boolean_Monday_0 {

public Schedule_Boolean_Monday_0_3(Context context){
    this.mContext = context;
    }
}

public class Schedule_Boolean_Monday_0 and public Schedule_Boolean_Monday_0_3(Context context) do not change. The str(i) in the String does not increment.

I would like to get output like this

public class Schedule_Boolean_Monday_0 {

public Schedule_Boolean_Monday_0_3(Context context){
    this.mContext = context;
    }
}
public class Schedule_Boolean_Monday_1 {

public Schedule_Boolean_Monday_1_3(Context context){
    this.mContext = context;
    }
}
public class Schedule_Boolean_Monday_2 {

public Schedule_Boolean_Monday_2_3(Context context){
    this.mContext = context;
    }
}

Is this possible to increment Integer value inside of the String?? I would love to hear your advice.

Thank you very much

Badgy · Accepted Answer · 2020-04-05 20:05:14Z

2

That's because you assign it while i is 0. It won't update inside the loop. Try putting the string assignment inside the loop instead

for i in range(3):
    str_1 = f"""public class Schedule_Boolean_Monday_""" + str(i) + """ {

    public Schedule_Boolean_Monday_""" + str(i) + """_3(Context context){
        this.mContext = context;
        }
    }"""
    print(str_1)

answered Apr 5, 2020 at 20:05

Badgy

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1 Comment

user13024999 Over a year ago

I appreciate your answer. I have tried your code and it works perfectly what I'd desire for. Thank you very much

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