Added links to API references and fixed whitespace in code samples

MODULAR_ORIG_COMMIT_REV_ID: 08f97ad1651fd8940c9d1e8bc6681ffb1460e007

docs/manual/get-started.mdx

@@ -344,7 +344,7 @@ def main():
 ## 5. Create and use a function to print the grid
 
 Now let's create a function to generate a string representation of the game grid
-that we can print it to the terminal.
+that we can print to the terminal.
 
 There are actually two different keywords that we can use to define functions in
 Mojo: `def` and `fn`. Using `fn` gives us finer level control over the function
@@ -362,7 +362,7 @@ def grid_str(rows: Int, cols: Int, grid: List[List[Int]]) -> String:
 
     # Iterate through rows 0 through rows-1
     for row in range(rows):
-	      # Iterate through columns 0 through cols-1
+        # Iterate through columns 0 through cols-1
         for col in range(cols):
             if grid[row][col] == 1:
                 str += "*"  # If cell is populated, append an asterisk
@@ -540,7 +540,7 @@ def grid_str(grid: Grid) -> String:
 
     # Iterate through rows 0 through rows-1
     for row in range(grid.rows):
-	      # Iterate through columns 0 through cols-1
+        # Iterate through columns 0 through cols-1
         for col in range(grid.cols):
             if grid.data[row][col] == 1:
                 str += "*"  # If cell is populated, append an asterisk
@@ -876,7 +876,9 @@ respectively. This function actually returns a value of type `Int64`, which is a
 signed 64-bit integer value. As described in [Numeric
 types](/mojo/manual/types#numeric-types), this is *not* the same as the `Int`
 type whose precision is dependent on the native word size of the system.
-Therefore we're passing this value to the built-in
+Therefore we're passing this value to the
+[`Int()`](/mojo/stdlib/builtin/int/Int/#__init__) constructor, which explicitly
+converts a numeric value to an `Int`.
 
 The return type of the method is `Self`, which is an alias for the type of the
 struct. This is a convenient shortcut if the actual name of the struct is long

docs/manual/python/types.mdx

@@ -145,24 +145,26 @@ Some Mojo APIs handle `PythonObject` just fine, but sometimes you'll need to
 explicitly convert a Python value into a native Mojo value.
 
 Currently `PythonObject` conforms to the
-[`Intable`](/mojo/stdlib/builtin/int/Intable),
-[`Stringable`](/mojo/stdlib/builtin/str/Stringable), and
-[`Boolable`](/mojo/stdlib/builtin/bool/Boolable) traits, which means you can
-convert Python values to Mojo `String`, and `Bool` types using the
-[`str()`](/mojo/stdlib/builtin/str/str) and
-[`bool()`](/mojo/stdlib/builtin/bool/bool-function) functions, construct an
-`Int` using `Int(python_object)`, and print Python values using the built-in
-[`print()`](/mojo/stdlib/builtin/io/print) function.
-
-`PythonObject` also provides the
-[`to_float64()`](/mojo/stdlib/python/python_object/PythonObject#to_float64) for
-converting to a Mojo floating point value.
+[`Stringable`](/mojo/stdlib/builtin/str/Stringable),
+[`Boolable`](/mojo/stdlib/builtin/bool/Boolable),
+[`Floatable`](/mojo/stdlib/builtin/floatable/Floatable/), and
+[`Intable`](/mojo/stdlib/builtin/int/Intable) traits, which means you can
+convert Python values to Mojo `String`, `Bool`, and `Float64` types using the
+[`str()`](/mojo/stdlib/builtin/str/str),
+[`bool()`](/mojo/stdlib/builtin/bool/bool-function) and
+[`float()`](/mojo/stdlib/builtin/floatable/float/) built-in functions, and
+construct an `Int` using the [`Int()`](/mojo/stdlib/builtin/int/Int/#__init__)
+constructor. `PythonObject` also conforms to the
+[`Writable`](/mojo/stdlib/utils/write/Writable) trait so that you can print
+Python values using the built-in [`print()`](/mojo/stdlib/builtin/io/print)
+function.
 
 ```mojo
-var i: Int = Int(py_int)
 var s: String = str(py_string)
 var b: Bool = bool(py_bool)
-var f: Float64 = py_float.to_float64()
+var f: Float64 = float(py_float)
+var i: Int = Int(py_int)
+print(py_obj)
 ```
 
 ### Comparing Python types in Mojo