code: def cervical_cancer():
      import pandas as pd
      from numpy import nan
  
      base = "https://raw.githubusercontent.com/autonomio/datasets/master/autonomio-datasets/"
      df = pd.read_csv(base + "cervical_cancer.csv")
      df = df.replace("?", nan)
      df = df.drop(["citology", "hinselmann", "biopsy"], axis=1)
      df = df.drop(
          ["since_first_diagnosis", "since_last_diagnosis"], axis=1
      ).dropna()
  
      df = df.astype(float)
  
      y = df.schiller.values
      x = df.drop("schiller", axis=1).values
  
      return x, y
  
label_desc: Use image node_id 5 for calling a global function with example usage: cervical_cancer() and returns: x,  y