Update pages/2_PandasIntro.py

pages/2_PandasIntro.py

@@ -97,9 +97,9 @@ def example15():
     return explanation, code, pd.concat([df1, df2])
 
 def example16():
-    explanation = "Pivoting a DataFrame."
-    code = "df = pd.DataFrame({'A': ['foo', 'bar', 'foo'], 'B': ['one', 'two', 'one'], 'C': [1, 2, 3]})\ndf.pivot(index='A', columns='B', values='C')"
-    df = pd.DataFrame({'A': ['foo', 'bar', 'foo'], 'B': ['one', 'two', 'one'], 'C': [1, 2, 3]})
+    explanation = "Pivoting a DataFrame (using unique index)."
+    code = "df = pd.DataFrame({'A': ['foo', 'bar', 'baz'], 'B': ['one', 'two', 'one'], 'C': [1, 2, 3]})\ndf.pivot(index='A', columns='B', values='C')"
+    df = pd.DataFrame({'A': ['foo', 'bar', 'baz'], 'B': ['one', 'two', 'one'], 'C': [1, 2, 3]})
     return explanation, code, df.pivot(index='A', columns='B', values='C')
 
 def example17():
@@ -110,7 +110,7 @@ def example17():
 
 def example18():
     explanation = "Applying a function to a DataFrame."
-    code = """df = pd.DataFrame({'A': [1, 2, 3], 'B': [4, 5, 6]})\ndf.apply(lambda x: x + 1)"""
+    code = "df = pd.DataFrame({'A': [1, 2, 3], 'B': [4, 5, 6]})\ndf.apply(lambda x: x + 1)"
     df = pd.DataFrame({'A': [1, 2, 3], 'B': [4, 5, 6]})
     return explanation, code, df.apply(lambda x: x + 1)
 
@@ -143,7 +143,7 @@ examples = [
     ("Example 13: Group by and aggregate a DataFrame", example13),
     ("Example 14: Merge two DataFrames", example14),
     ("Example 15: Concatenate two DataFrames", example15),
-    ("Example 16: Pivot a DataFrame", example16),
+    ("Example 16: Pivot a DataFrame (using unique index)", example16),
     ("Example 17: Melt a DataFrame", example17),
     ("Example 18: Apply a function to a DataFrame", example18),
     ("Example 19: Join two DataFrames", example19),