Printing loop statement ?

[Christopher.]

You can print a loop, one thing I don't understand is the following;

Suppose I have 

for j in range (0,5):

First thing, what is the string 'j=' + str(j)) doing, I know what the second part of the loop is doing, converting the variable into a string or rather the float into a string, what is the first half of the statement saying ?

[Geordie Martinez]

it's just a string and the plus sign is tacking the other string to the end of it. concatenating.

there are a lot of ways to concatenate strings in python.

another popular way is called "string formatting". you can find some decent examples here:
http://www.diveintopython.net/native_data_types/formatting_strings.html

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[Geordie Martinez]

you probably have something like this I'm guessing:

for j in range(0,5):
    print('j=' + str(j)) # print the value of j for testing
    # with string formatting.
    print("string formatted: j=%s" % j)

[Christopher.]

I deleted the tab; argh, I don't think it included the last line in your loop, it was strictly for the history panel to tell me how each object was being manipulated.  

On Tuesday, June 2, 2015 at 12:06:34 AM UTC-4, Geordie Martinez wrote:

you probably have something like this I'm guessing:

for j in range(0,5):
    print('j=' + str(j)) # print the value of j for testing
    # with string formatting.
    print("string formatted: j=%s" % j)

On Mon, Jun 1, 2015 at 8:56 PM, Geordie Martinez <geordie...@gmail.com> wrote:

it's just a string and the plus sign is tacking the other string to the end of it. concatenating.

there are a lot of ways to concatenate strings in python.

another popular way is called "string formatting". you can find some decent examples here:
http://www.diveintopython.net/native_data_types/formatting_strings.html

On Mon, Jun 1, 2015 at 8:52 PM, Christopher. <crestchr...@gmail.com> wrote:

You can print a loop, one thing I don't understand is the following;

Suppose I have 

for j in range (0,5):

First thing, what is the string 'j=' + str(j)) doing, I know what the second part of the loop is doing, converting the variable into a string or rather the float into a string, what is the first half of the statement saying ?

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