solved problems 44 to 46

Author: LambdaDrive

Chapter 5/Problem5_44.py

@@ -0,0 +1,3 @@
+def cipher(cifra, cifrar):
+    table = str.maketrans('0123456789', cifra)
+    return cifrar.translate(table)

Chapter 5/Problem5_45.py

@@ -0,0 +1,13 @@
+def avgavg(gradeslist):
+    avg = []
+    avgavg = 0
+    soma = 0
+    for student in gradeslist:
+        for grade in student:
+            soma += grade
+        avg.append(soma/len(student))
+        soma = 0
+    for grade in avg:
+        soma += grade
+    avgavg = soma/len(avg)
+    print(avg,'\n',avgavg)

Chapter 5/Problem5_46.py

@@ -0,0 +1,7 @@
+def inversions(string):
+    inv = 0
+    for i in range(len(string)):
+        for a in range(i, len(string)):
+            if string[i]>string[a]:
+                inv += 1
+    return inv