More solutions

2020/01.input

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2020/01.py

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+# with open('./2020/01.test') as input:
+with open('./2020/01.input') as input:
+    input_list = input.read().split('\n')
+    for i in range(len(input_list)):
+        input_list[i] = int(input_list[i])
+
+for i in range(len(input_list) - 1):
+    for i2 in range(i + 1, len(input_list)):
+        if 2020 - input_list[i] == input_list[i2]:
+            print(input_list[i] * input_list[i2])
+
+for i in range(len(input_list) - 2):
+    for i2 in range(i + 1, len(input_list) - 1):
+        for i3 in range(i2 + 1, len(input_list)):
+            if 2020 - input_list[i] - input_list[i2] == input_list[i3]:
+                print(input_list[i] * input_list[i2] * input_list[i3])
+

2020/01.test

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2020/02.py

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+# with open('./2020/02.test') as input:
+with open('./2020/02.input') as input:
+    input_list = input.read().split('\n')
+    
+    working_list = []
+    for one_input in input_list:
+        one_output = {}
+        one_output['low'] = int(one_input.split(' ')[0].split('-')[0])
+        one_output['high'] = int(one_input.split(' ')[0].split('-')[1])
+        one_output['letter'] = one_input.split(':')[0].split(' ')[1]
+        one_output['password'] = one_input.split(' ')[2]
+
+        working_list.append(one_output)
+
+valid_count = 0
+for one_input in working_list:
+    num_target = one_input['password'].count(one_input['letter'])
+
+    if num_target >= one_input['low'] and num_target <= one_input['high']:
+        valid_count += 1
+
+print(valid_count)
+
+valid_count = 0
+for one_input in working_list:
+    temp_check = 0
+    if one_input['password'][one_input['low'] - 1] == one_input['letter']:
+        temp_check += 1
+    if one_input['password'][one_input['high'] - 1] == one_input['letter']:
+        temp_check += 1
+
+    if temp_check == 1:
+        valid_count += 1
+print(valid_count)

2020/02.test

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+1-3 a: abcde
+1-3 b: cdefg
+2-9 c: ccccccccc