Class Notes (838,051)
CSCA20H3 (25)
Lecture

CSCA20 - WORKSHEET 3.pdf

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Department
Computer Science
Course
CSCA20H3
Professor
Anya Tafliovich
Semester
Summer

Description
CSCA20  For the index 3 (inclusive) to the index - Worksheet 3 2 (exclusive)  Strings  s[-5:] = „fspam‟  Basics  Iterate over the indices of a string  Using either single or double quotes  def print_vertical(s):  „csca20‟ or “csca20”  for index in range (len(s)):  „csca‟ + „20‟ = „csca20‟  print (s[index])  „2‟ + „5‟ = „25‟  Explanation:  „+‟ is overloaded, means more than one  range (6) means range (0,6) function  range (0,6) means a group of  „ho‟ * 3 = „hohoho‟ numbers and the numbers are 0, 1,  3 * „ho‟ = „hohoho‟ 2, 3, 4, 5  „ou‟ in „colour‟, return True  range (0, 6)  len („hohoho‟) = 6  0 is inclusive  Escape sequences  6 is exclusive  \‟ singe quote  range is similar to list, we will cover  \” double quote in the next worksheet  \\ backslash  Printing strings: conversion specifiers  \t tab  Example:  \n newline  Print (“The maximum of the three grades  \r carriage return (not necessary) (%d, %d and %d) is %d” %(a1, a2, a3, max(a1, a2, a3)))  \ and hit enter, skip to new line to make coding seems nice  % is operator with two operands:  print („one\ttwo\tthree‟)  A string on the LHS and a
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