Added slicing to session 2

smirza3 · smirza3 · commit 9864d07a9e9b · 2022-11-21T10:00:11.000Z
diff --git a/session_02/answers/A11.py b/session_02/answers/A11.py
@@ -1,4 +1,4 @@
-# 11. Print out the sentence from A10 but make the month upper case.
+# A11 - Print out the sentence from A10 but make the month upper case.
 
 # Ask the user for input for the month and the temperatures
 month = input("What month is it?\n")
diff --git a/session_02/answers/A12.py b/session_02/answers/A12.py
@@ -1,4 +1,4 @@
-# 12. Create a variable that holds your favourite animals and print it out. 
+# A12 - Create a variable that holds your favourite animals and print it out. 
 # Make sure the animals are all on different lines and tabbed.
 
 # Create a list of your favourite animals, using \n\t for the new line and new tab
diff --git a/session_02/answers/A13.py b/session_02/answers/A13.py
@@ -1,4 +1,4 @@
-# 13. Ask the user to enter their name as well as a number. 
+# A13 - Ask the user to enter their name as well as a number. 
 # Print out the uppercase character at that position in the string.
 
 # Ask the user for input
diff --git a/session_02/answers/A14.py b/session_02/answers/A14.py
@@ -0,0 +1,11 @@
+# A14 - Slice the string with steps of 2, excluding the first and last characters of the string "WelcometoPython"
+
+
+# creating a variable with the string in 
+str = "WelcometoPython"
+
+# finding out the length of the string to decide which characters to exclude 
+print(len(str))
+
+# slicing the string with steps of 2, excluding the first and last character
+print(str[1:14:2])
diff --git a/session_02/answers/A8.py b/session_02/answers/A8.py
@@ -1,4 +1,4 @@
-# Ask the user to enter their favourite colour and find out the length of the colour they input.
+# A8 - Ask the user to enter their favourite colour and find out the length of the colour they input.
 
 # Ask the user for input
 colour = input("What is your favourite colour?\n")
diff --git a/session_02/exercises/exercises_2.md b/session_02/exercises/exercises_2.md
@@ -14,3 +14,4 @@
 11. Print out the above sentence but make the month upper case.
 12. Create a variable that holds your favourite animals and print it out. Make sure the animals are all on different lines and tabbed.
 13. Ask the user to enter their name as well as a number. Print out the uppercase character at that position in the string.
+14. Slice the string with steps of 2, excluding the first and last characters of the string "WelcometoPython"
diff --git a/session_02/slides/session_2.md b/session_02/slides/session_2.md
@@ -351,6 +351,30 @@ print("HeLlO".lower()) # hello
 
 ---
 
+# Slicing
+
+---
+
+# Slicing
+
+``` 
+# slicing from one point to another
+"string"[0:6] #string
+"string"[1:4] #tri
+
+# slicing from one point to the end
+"string"[0:] #string
+"string"[1:] #ing
+
+# slicing from the start to another point
+"string"[:0] #
+"string"[:2] #st
+
+# slicing from the start to end, by skipping step
+"string"[0:6:2] #srn
+```
+---
+
 # Putting it together
 
 ```python

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# 11. Print out the sentence from A10 but make the month upper case.`
	`1`	`+# A11 - Print out the sentence from A10 but make the month upper case.`
`2`	`2`
`3`	`3`	`# Ask the user for input for the month and the temperatures`
`4`	`4`	`month = input("What month is it?\n")`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# 12. Create a variable that holds your favourite animals and print it out.`
	`1`	`+# A12 - Create a variable that holds your favourite animals and print it out.`
`2`	`2`	`# Make sure the animals are all on different lines and tabbed.`
`3`	`3`
`4`	`4`	`# Create a list of your favourite animals, using \n\t for the new line and new tab`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# 13. Ask the user to enter their name as well as a number.`
	`1`	`+# A13 - Ask the user to enter their name as well as a number.`
`2`	`2`	`# Print out the uppercase character at that position in the string.`
`3`	`3`
`4`	`4`	`# Ask the user for input`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# Ask the user to enter their favourite colour and find out the length of the colour they input.`
	`1`	`+# A8 - Ask the user to enter their favourite colour and find out the length of the colour they input.`
`2`	`2`
`3`	`3`	`# Ask the user for input`
`4`	`4`	`colour = input("What is your favourite colour?\n")`