On Sun, Jan 24, 2016 at 2:42 PM, STF <lapsap7+pyt...@gmail.com> wrote:
> Hi, > > I've just started to learn Python thru some online courses and websites. > They just teach very basic things. I've got some questions about "if" that > I'm unable to find the answers. So let me ask the newbie questions here. > > Let's see the following instructions: > -------- > if condition_A: > instruction_1 > instruction_2 > if condition_B: > instruction_3 > instruction_4 > instruction_5 > else: > instruction_6 > -------- > > * How to make Pythom understand that instruction_4 is a part of condition_B > if-clause but not a direct instruction of condition_A if-clause? And how > to make Python understand that instruction_5 is outside of condition_B > if-clause? Just by the number of white spaces in front of every > instruction?? > > * How to make Python understand that "else" belongs to the first > condition_A if-clause, not to the immediate condition_B if-clause? > > * Suppose I put four white spaces in front of instruction_1, and then "tab > key" in front of instruction_2, would this break things? I ask so because > most intelligent text editors would insert automatically a tab in place of > 4 white spaces after we press Enter on a line with 4 leading white spaces. > > * Do I really need to keep the consistency of 4 white spaces? Not one more > or one less? > yes. you can use 1 or 2 or any number of spaces, but do spacing consistently. 4 is recommended. Don't mix tabs and spaces > > Thanks in advance. > _______________________________________________ > Tutor maillist - Tutor@python.org > To unsubscribe or change subscription options: > https://mail.python.org/mailman/listinfo/tutor > -- Joel Goldstick http://joelgoldstick.com/stats/birthdays _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor
