Update notebook.ipynb

Miss a space

2-Working-With-Data/07-python/notebook.ipynb

@@ -1312,7 +1312,7 @@
    "source": [
     "## Printing and Plotting\r\n",
     "\r\n",
-    "Data Scientist often has to explore the data, thus it is important to be able to visualize it. When DataFrame is big, manytimes we want just to make sure we are doing everything correctly by printing out the first few rows. This can be done by calling `df.head()`. If you are running it from Jupyter Notebook, it will print out the DataFrame in a nice tabular form."
+    "Data Scientist often has to explore the data, thus it is important to be able to visualize it. When DataFrame is big, many times we want just to make sure we are doing everything correctly by printing out the first few rows. This can be done by calling `df.head()`. If you are running it from Jupyter Notebook, it will print out the DataFrame in a nice tabular form."
    ],
    "metadata": {}
   },
@@ -1496,4 +1496,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 2
-}
+}