Add chart for IC

ic.py

@@ -2,6 +2,7 @@
 
 from argparse import ArgumentParser
 from functions import readFile, countLetters
+import matplotlib.pyplot as plt
 
 
 def checkArguments():
@@ -32,11 +33,21 @@ def main():
 
     # We calculate the sum of all character in the text
     ic = 0
+    allIC = list()
     for i in range(0, len(counts)):
         sum = (counts[i] * (counts[i] - 1))
-        ic += sum / (totalLetters * (totalLetters - 1))
+        currentIC = sum / (totalLetters * (totalLetters - 1))
+        allIC.append(currentIC)
+        ic += currentIC
     print(f"Index of coincidence: {ic}")
 
+    largeur = 0.5
+    y = list()
+    for alphabet in range(0, 26):
+        y.append(chr(ord('a') + alphabet))
+    plt.bar(y, allIC, largeur)
+    plt.show()
+
 
 if __name__ == "__main__":
     main()