Some more Files Added In Python Codes

Author: codeperfectplus

Python Basic/Regex.py

@@ -0,0 +1,17 @@
+import re
+
+#Check if the string starts with "The" and ends with "Spain":
+
+txt = "The rain in Spain"
+x = re.search("^The.*Spain$", txt)
+
+if (x):
+  print("YES! We have a match!")
+else:
+  print("No match")
+'''
+findall	:Returns a list containing all matches
+search	:Returns a Match object if there is a match anywhere in the string
+split	:Returns a list where the string has been split at each match
+sub	    :Replaces one or many matches with a string
+'''

Quardtic-Equation.py

@@ -0,0 +1,13 @@
+""" ax2 + bx + c = 0, where
+a, b and c are real numbers and
+a ≠ 0 """
+import cmath
+def quardtic(a,b,c):                 #ax2 + bx + c = 0
+    d = (b**2) -(4*a*c)
+    sol1 = (-b -cmath.sqrt(d))/(2*a)
+    sol2 = (-b +cmath.sqrt(d))/(2*a)
+    return sol1,sol2
+
+a, b, c=1, 5, 6
+answer = quardtic(a,b,c)
+print(answer)

hangman.py

@@ -0,0 +1,7 @@
+import random
+
+num_attempt = 6
+bag_of_words = ["book", "Table", "Movie"]
+
+answer = random.choice(bag_of_words)
+print(a)

sum_by_recursion.py

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+def recur_sum(n):
+    if n <= 1:
+        return n 
+    else:
+        return n + recur_sum (n-1)
+n=10
+ans= recur_sum(n)
+print(ans)