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Diffstat (limited to 'basic_python/intro.rst')
| -rw-r--r-- | basic_python/intro.rst | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/basic_python/intro.rst b/basic_python/intro.rst index 7ae98d8..56c30e2 100644 --- a/basic_python/intro.rst +++ b/basic_python/intro.rst @@ -543,7 +543,8 @@ Let us look at examples: False The **while** loop -~~~~~~~~~~~~~~~~~~ +================== + The Python **while** loop is similar to the C/C++ while loop. The syntax is as follows: @@ -572,7 +573,7 @@ Let us look at an example: 5 The **if** conditional -~~~~~~~~~~~~~~~~~~~~~~ +====================== The Python **if** block provides the conditional execution of statements. If the condition evaluates as true the block of statements defined under the if @@ -612,7 +613,7 @@ Let us look at an example: print n, " is 0" **raw_input()** -~~~~~~~~~~~~~~~ +=============== In the previous example we saw the call to the raw_input() subroutine. The **raw_input()** method is used to take user inputs through the console. @@ -685,7 +686,7 @@ Observe here that the variable *pal* is a string and hence integer operations cannot be performed on it. Hence the exception is raised. **int()** method -~~~~~~~~~~~~~~~~ +================ Generally for computing purposes, the data used is not strings or raw data but on integers, floats and similar mathematical data structures. The data obtained @@ -715,7 +716,7 @@ using the **int()** method the string *pal* was converted to an integer variable Functions in Python: **def** -~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +============================ *Functions* allow us to enclose a set of statements and call the function again and again instead of repeating the group of statements everytime. Functions also @@ -809,7 +810,6 @@ the values are manipulated even outside the function:: >>> can_change(name) >>> name ['Mr.', 'James', 'Gosling'] - If nothing is returned by the function explicitly, Python takes care to return None when the funnction is called. |