title: Convert arrays of string
body: <p>I have an array of string as given below. How to convert both array in data frame to use in R?</p>
  
  <pre><code>str1=list("6203811823616", "0", "6196564066304", "0", "6196564066304", "0", "6196564066304", "0", "6196564066304", "0", "6196564066304", "0", "6196564066304", "0", "6196564066304", "0", "6203811823616")
  
  str2=list("6203811823616, 0, 6196564066304, 0, 6196564066304, 0, 6196564066304, 0, 6196564066304, 0, 6196564066304, 0, 6196564066304, 0, 6196564066304, 0")
  </code></pre>
  
  <p><strong>output looks like:</strong>
  <strong>df2=</strong></p>
  
  <pre><code>  str2
  1 6203811823616
  2 0
  3 6196564066304
  4 0
  5 6196564066304
  6 0
  7 6196564066304
  8 0
  9 6196564066304
  10 0
  11 6196564066304
  12 0
  13 6196564066304
  </code></pre>
  
  <p><strong>df1=</strong></p>
  
  <pre><code>  str1
  1 6203811823616
  2 0
  3 6196564066304
  4 0
  5 6196564066304
  6 0
  7 6196564066304
  8 0
  9 6196564066304
  10 0
  11 6196564066304
  12 0
  13 6196564066304
  14 6196564066304
  15 0
  16 6203811823616
  </code></pre>