From 2e3a50800ce2fcb65ef78523fa5642f116ef2d88 Mon Sep 17 00:00:00 2001
From: kjg <jinguk.kwon@ungleich.ch>
Date: Mon, 25 May 2020 23:17:06 +0900
Subject: [PATCH] [Python #4] create e24.py

---
 kjg/python-the-hard-way/e24.py | 42 ++++++++++++++++++++++++++++++++++
 kjg/python.org                 |  2 ++
 2 files changed, 44 insertions(+)
 create mode 100644 kjg/python-the-hard-way/e24.py

diff --git a/kjg/python-the-hard-way/e24.py b/kjg/python-the-hard-way/e24.py
new file mode 100644
index 0000000..ddefa2c
--- /dev/null
+++ b/kjg/python-the-hard-way/e24.py
@@ -0,0 +1,42 @@
+print("Let's practice everything.")
+print('You\'d need to know \'bout escapes with \\ that do:')
+print('\n newlines and \t tabs.')
+
+poem = """
+\tThe lovely world
+with logic so firmly planted
+cannot discern \n the needs of love
+nor comprehend passion from intuition
+and requires an explanation
+\n\t\twhere there is none.
+"""
+
+print("--------------")
+print(poem)
+print("--------------")
+
+
+five = 10 - 2 + 3 - 6
+print(f"This should be five: {five}")
+
+
+def secret_formula(started):
+    jelly_beans = started * 500
+    jars = jelly_beans / 1000
+    crates = jars / 100
+    return jelly_beans, jars, crates
+
+
+start_point = 10000
+beans, jars, crates = secret_formula(start_point)
+
+# remember that this is another way to format a string
+print("With a starting point of: {}".format(start_point))
+# it's just like with an f"" string
+print(f"We'd have {beans} beans, {jars} jars, and {crates} crates.")
+
+start_point = start_point / 10 
+print("We can also do that this way:")
+formula = secret_formula(start_point)
+# this is an easy way to apply a list to a format string
+print("We'd have {} beans, {} jars, and {} crates.".format(*formula))
diff --git a/kjg/python.org b/kjg/python.org
index 9073e89..596d366 100644
--- a/kjg/python.org
+++ b/kjg/python.org
@@ -104,3 +104,5 @@ open read close truncate def return print
 *** Python #3:
 **** ex23
 How to use encode and decode
+**** ex24
+practice function and print