my excel data Hi, I am new to Python. I need to make an arithmetic calculation of excel data using Python, but the data arrangement is a bit complicated. I have to calculate (D5*D4 + C5*C4)*B5 which the results are placed on column H then it continues to the entire materials (adipose tissue newborn #1 to adipose tissue adult #1) (D6*D4 + C6*C4)*B6 (D7*D4 + C7*C4)*B7 (D8*D4 + C8*C4)*B8 etc. Could anyone please help me? Below is my current codes, and I am getting stuck how to code the operation. Thank you very much in advance import pandas as pd import matplotlib.pyplot as plt import numpy as np import seaborn as sns %matplotlib inline # read an excel file and convert # into a dataframe object df = pd.DataFrame(pd.read_excel("ICRU_blank_af.xlsx")) # show the dataframe df.head(5) Continue reading...