Appending issue in a list in Python

Question

I have a list Ci. I am performing an operation within a loop and appending the values. But I am not able to obtain the expected output. How do I fix it?

arCi=[]
Ci=[1.0]


for i in range(0,4):
    Ci=Ci[0]*i
    arCi.append(Ci) 
    Ci=list(arCi)
print(Ci)

The current output is

[0.0, 0.0, 0.0, 0.0]

The expected output is

[0.0, 1.0, 2.0, 3.0]

Asked By: nehrumodi

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Source

Answer 1

In the first iteration, when i=0, you make the first term of Ci as 0.0 and then you are using 0.0 iteratively which gives the answer as 0.0.

Ci = []
num = 1.0


for i in range(0,4):
    Ci.append(num*i)
print(Ci) #yields correct result

Answered By: Mathpdegeek497

Appending issue in a list in Python

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