added not all files

lesson_1/1_1.py

@@ -0,0 +1,5 @@
+line = input()
+numbers = line.split()
+result = [float(num) for num in numbers]
+result = sum(result)
+print(result)

lesson_1/1_2.py

@@ -0,0 +1,7 @@
+import re
+line = input()
+while True:
+    rule = input()
+    a,b = (remov for remov in rule.split('->'))
+    line = line.replace(a,b)
+    print(line)

lesson_1/1_3.py

@@ -0,0 +1,8 @@
+from math import fabs
+from math import floor
+line = input()
+numbers = line.split()
+result = [float(num) for num in numbers]
+absresult = [fabs(res) for res in result]
+fabsresult = [floor(absres) for absres in absresult]
+print(fabsresult)

lesson_1/1_4.py

@@ -0,0 +1,6 @@
+line = input()
+numbers = line.split()
+result = [float(num) for num in numbers]
+powresult = [pow(res, 2) for res in result]
+sumresult = [sum(powresult)]
+print(sumresult)