Create password_checker

Author: AdriHilmie29

password_checker

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+In this exercise you will write a function that determines whether or not a password is good. We will define
+a good password to be a one that is at least 8 characters long and contains at least one uppercase letter,
+at least one lowercase letter, and at least one number. Your function should return true if the password 
+passed to it as its only parameter is good. Otherwise it should return false. Include a main program that
+reads a password from the user and reports whether or not it is good.
+
+-
+
+def checkPassword(password):
+    has_upper = False
+    has_lower = False
+    has_num = False
+
+    for ch in password:
+        if ch >= 'A' and ch <= 'Z':
+            has_upper = True
+        elif ch >= 'a' and ch <= 'z':
+            has_lower = True
+        elif ch >= '0' and ch <= '9':
+            has_num = True
+
+    if len(password) >= 8 and has_upper and has_lower and has_num:
+        return True
+    return False
+
+def main():
+    p = input("Enter ya password: " )
+    if checkPassword(p):
+        print("Password is good")
+    else:
+        print("Password is bad")
+
+if __name__ == "__main__":
+    main()