diff --git a/d01/exemple.txt b/d01/exemple.txt
new file mode 100644
index 0000000..871341d
--- /dev/null
+++ b/d01/exemple.txt
@@ -0,0 +1 @@
+two1nine
\ No newline at end of file
diff --git a/d01/exemple1.txt b/d01/exemple1.txt
new file mode 100644
index 0000000..1ba8437
--- /dev/null
+++ b/d01/exemple1.txt
@@ -0,0 +1,4 @@
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\ No newline at end of file
diff --git a/d01/exemple2.txt b/d01/exemple2.txt
new file mode 100644
index 0000000..4316a6b
--- /dev/null
+++ b/d01/exemple2.txt
@@ -0,0 +1,7 @@
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\ No newline at end of file
diff --git a/d01/input.txt b/d01/input.txt
new file mode 100644
index 0000000..92a453e
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diff --git a/d01/run1.py b/d01/run1.py
new file mode 100644
index 0000000..b998f15
--- /dev/null
+++ b/d01/run1.py
@@ -0,0 +1,11 @@
+filename = "input.txt"
+s = 0
+with open(filename, 'r') as f:
+    for line in f.readlines():
+        mot=[]
+        for car in line:
+            if car.isdigit():
+                mot.append(car)
+        s+=int( "".join([mot[0], mot[-1]]) )
+
+print(s)
\ No newline at end of file
diff --git a/d01/run2.py b/d01/run2.py
new file mode 100644
index 0000000..e0194f2
--- /dev/null
+++ b/d01/run2.py
@@ -0,0 +1,25 @@
+filename = "input.txt"
+s = 0
+
+#letter = ["one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
+dictLetter = {"one": "1", "two": "2", "three": "3", "four": "4", "five": "5", "six": "6", "seven": "7", "eight": "8", "nine": "9"}
+
+
+with open(filename, 'r') as f:
+    for line in f.readlines():
+        mot=[]
+        chaine = ""
+        for car in line:
+            if car.isdigit():
+                mot.append(car)
+            else:
+                chaine = "".join([chaine, car])
+                for l in dictLetter.keys():
+                    #print(f"test {l} in {chaine}")
+                    if l in chaine:
+                        mot.append(dictLetter[l])
+                        chaine = chaine[-1]
+        #print(mot)
+        s+=int( "".join([mot[0], mot[-1]]) )
+
+print(s)
\ No newline at end of file