制御構文の解答

euclid.py

@@ -2,3 +2,8 @@
 b = input("b の値を入力: ")
 
 # TODO
+while b != 0:
+        a,b = b, int(a) % int(b)
+print('最大公約数：{}'.format(a)) 
+
+

machine_epsilon.py

@@ -1 +1,5 @@
-# TODO
+# TODO
+epsilon = 1
+while 1 + epsilon > 1:
+    epsilon = epsilon/2
+print(epsilon)

prime_number.py

@@ -1,4 +1,19 @@
 a = input("aの値を入力: ")
 b = input("bの値を入力: ")
 
-# TODO
+# TODO
+for x in [a,b]:
+    if int(x) < 2:
+        print('{}は素数ではない'.format(x))
+        continue
+
+    is_prime = True
+    for i in range(2,int(x)):
+        if int(x) % i ==0:
+            is_prime = False
+            break
+
+    if is_prime:
+        print('{}は素数'.format(x))
+    else:
+        print('{}は素数ではない'.format(x))

trapezoidal_integral.py

@@ -3,3 +3,23 @@
 # print(sin(0))
 # >>> 0
 # -----------
+from math import pi
+h = ( pi/2 - 0 ) / 100
+S=0
+for i in range(1,101):
+    S += h/2 * (sin(0+(i-1)*h)+ sin(0+i*h))
+print(S)
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