aaa

Author: ignaciops00

python-for-beginners/04 - String variables/string_functions.py

@@ -15,3 +15,5 @@
 # count will count the number of occurrences of the value specified
 # in the string, in this case how many times the letter 'a' appears
 print(sentence.count('a'))
+
+print(sentence[5:7])

python-for-beginners/11 - Collections/arrays.py

@@ -1,5 +1,5 @@
 from array import array
-scores = array('d')
+scores = array('i')
 scores.append(97)
 scores.append(98)
 print(scores)

python-for-beginners/11 - Collections/common-operations.py

@@ -1,4 +1,7 @@
 names = ['Christopher', 'Susan']
 print(len(names)) # Get the number of items
 names.insert(0, 'Bill') # Insert before index
+names.append('Nacho')
+print(names)
+names.sort()
 print(names)

python-for-beginners/11 - Collections/ranges.py

@@ -1,5 +1,5 @@
 names = ['Susan', 'Christopher', 'Bill']
-presenters = names[0:2] # Get the first two items
+presenters = names[:2] # Get the first two items
 # Starting index and number of items to retrieve
 
 print(names)

python-for-beginners/12 - Loops/for.py

@@ -1,2 +1,6 @@
-for name in ['Christopher', 'Susan']:
+names = ['Christopher', 'Susan']
+for name in names:
 	print(name)
+ 
+for index in range(0,len(names)):
+    print(names[index])

python-for-beginners/12 - Loops/number.py

@@ -2,5 +2,5 @@
 # First parameter is the starter
 # Second indicates the number of numbers to create
 # range(0, 2) creates [0, 1]
-for index in range(0, 2):
+for index in range(3, 5):
 	print(index)

python-for-beginners/13 - Functions/code_challenge.py

@@ -15,3 +15,19 @@
 # BONUS: Test your function with the values 6, 4 and divide 
 # Have your function return an error message when invalid values are received
 
+def calculator(x,y,operator):
+    result = 0
+    if operator.lower()=='add':
+        result = x + y
+    elif operator.lower()=='substract':
+        result = x - y
+    elif operator.lower()=='divide':
+        result = x / y
+    
+    return result
+
+print(calculator(6,4,'add'))
+
+print(calculator(6,4,'substract'))
+
+print(calculator(6,4,'divide'))