diff --git a/__pycache__/string.cpython-36.pyc b/__pycache__/string.cpython-36.pyc
new file mode 100644
index 0000000..a9fa1c2
Binary files /dev/null and b/__pycache__/string.cpython-36.pyc differ
diff --git a/string.py b/string.py
new file mode 100644
index 0000000..e6c0362
--- /dev/null
+++ b/string.py
@@ -0,0 +1,24 @@
+def main():
+    # string management
+    string = "hola CARLOS"
+    # conatenate
+    print(string+" como estas")
+    # replace
+    print(string.replace("hola", 'hi'))
+    # lower case
+    print(string.lower())
+    # upper case
+    print(string.upper())
+    # count
+    print(len(string))
+    # find get the position of charater
+    # this method retunr -1 is string don't exist
+    print(string.find("hola"))
+    #split
+    # transform string into array depending on the chain
+    print(string.split(' '))
+
+    #TODO: https://www.programiz.com/python-programming/methods/string FOR MORE INFORMATION
+if __name__ == '__main__':
+    main()
+    
\ No newline at end of file