Strinngs

Author: amod26

String 2.py

@@ -0,0 +1,46 @@
+#!/usr/bin/env python
+# coding: utf-8
+
+# # Return the number of times that the string "hi" appears anywhere in the given string.
+# 
+# 
+
+# In[1]:
+
+
+def count_hi(str):
+    return str.count("hi")
+count_hi('hihihihi')
+
+
+# # Given a string, return a string where for every char in the original, there are two chars.
+# 
+# 
+
+# In[2]:
+
+
+def double_char(str):
+    new_str = ""
+    for char in str:
+        new_str += char*2
+    return new_str
+double_char('Hi-There') 
+
+
+# # Return True if the string "cat" and "dog" appear the same number of times in the given string.
+
+# In[4]:
+
+
+def cat_dog(str):
+    return str.count('cat') == str.count('dog')
+
+cat_dog('1cat1cadodog') 
+
+
+# In[ ]:
+
+
+
+