title: how to select column name with space in pyspark?
body: <pre><code>avgsalary_df = spark.read.csv('/content/drive/MyDrive/BigData2021/Lecture23/datasets/data_scientist_salaries.csv', header = True)
  avgsalary_df = df.selectExpr('Job Title' ,'Location', 'salary', 'spark')
  avgsalary_df.show()
  </code></pre>
  <p>Here is my code but it wont return Job Title column cause of space inside name.what is incorrect?</p>